Earnings Labs

Ecovyst Inc. (ECVT)

Q3 2022 Earnings Call· Tue, Nov 1, 2022

$13.88

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Transcript

Operator

Operator

Good morning. My name is Katie, and I will be your conference operator today. Welcome to the Ecovyst Third Quarter 2022 Earnings Call and Webcast. Please note today's call is being recorded and should run approximately one hour. [Operator Instructions] After the speakers’ remarks there will be a question-and-answer period. [Operator Instructions] I would now like to turn the call over to Gene Shiels, Director of Investor Relations. Please go aehad.

Gene Shiels

Analyst

Thank you, Katie. Good morning, and welcome to the Ecovyst third quarter 2022 earnings call. With me on the call this morning are Kurt Bitting, Ecovyst's Chief Executive Officer; and Mike Feehan, Ecovyst's Chief Financial Officer. Following our prepared remarks, we'll take your questions. Please note that some of the information shared today is forward-looking information, including information about the company's financial and operating performance, strategies, our anticipated end use demand trends and our 2022 financial outlook. This information is subject to risks and uncertainties that could cause the actual results and the implementation of the company's plans to vary materially. Any forward-looking information shared today speaks only as of this date. These risks are discussed in the company's filings with the SEC. Reconciliations of non-GAAP financial measures mentioned on today's call with their corresponding GAAP measures can be found in our earnings release and in presentation materials posted in the Investors Section of our website at ecovyst.com. Now I'd like to turn the call over to Kurt. Kurt?

Kurt Bitting

Analyst

Thank you, Gene, and good morning. Ecovyst delivered strong financial results for the third quarter of 2022, reflecting continued growth in sales and building upon the favorable results we delivered in the first half of this year. As a key supplier of products and services to industries that provide energy and materials to essential segments of the economy, Ecovyst has continued to benefit this year from favorable demand trends across the breadth of our portfolio. In addition, we believe Ecovyst remains well positioned to leverage key sustainability trends and to benefit from projected growth and demand for low-carbon technologies in the years to come. For our Ecoservices business, high utilization rates in the U.S. refining industry, more stringent fuel standards and increasing demand for premium gasoline continue to drive volume growth for our regeneration services. Those regeneration services are vital to our refining customers production of alkylate, the critical component in the formulation of higher octane and cleaner fuels. Ecovyst is has a leading share position for regeneration services in the U.S. with long-standing relationships with blue chip customers, who rely upon Ecovyst as their sole provider of regeneration services. Our assets are well situated to service both the Gulf Coast market, where two-thirds of U.S. refining capacity is located in West Coast markets where alkylate plays an important role in the production of CARBOB the regulated blend for California gasoline. With four facilities in the Gulf Coast and two in California, our customers value our production redundancy as it ensures operational integrity for their highly profitable Appalachian units. Strong Regeneration volume growth was a significant contributor to the robust year-over-year results for our Ecoservices business in the third quarter. We also continue to see strong demand for virgin sulfuric acid across a variety of applications, including mining, production of…

Mike Feehan

Analyst

Thanks, Kurt. During the third quarter, Ecovyst continued to benefit from favorable demand trends. Total sales, including our 50% interest in the Zeolyst joint venture were $260 million, up $60 million or 30%, compared to the third quarter of 2021. The increase was primarily driven by higher average selling prices, including the pass-through of higher sulfur costs, as well as the higher demand for Regeneration Services in our Ecoservices business and higher catalyst sales into polyethylene and niche custom applications within Catalyst Technologies. Higher pricing in the third quarter includes the pass-through of $28 million of higher sulfur costs, as well as the contractual index pass-through of other variable costs, including natural gas and freight, principally in our Ecoservices business. Adjusted EBITDA for the third quarter of 2022 was $75 million up 9%, compared to the third quarter of 2021 with an associated margin of 29%. On the next slide, I'll highlight the components of our adjusted EBITDA expansion, compared to the third quarter of 2021. The increase in adjusted EBITDA was driven by nearly $7 million of contribution from higher sales volume, as well as higher average selling prices, including the $28 million pass-through of higher sulfur costs, which more than offset the increase in variable costs. The $28 million average selling price increase associated with the sulfur pass-through does not impact adjusted EBITDA, but does inflate the denominator in the adjusted EBITDA margin calculation. If you exclude the impact associated with the pass-through of higher sulfur costs, the adjusted EBITDA margin would have been 32.5% in the third quarter of 2022. Turning to the next slide. Ecoservices posted another favorable quarter, with third quarter sales of $196 million, up $58 million or 42%, compared to the third quarter of 2021. Third quarter results were driven principally by higher…

Kurt Bitting

Analyst

Thank you, Mike. In summary, we are energized by the financial results we have delivered thus far in 2022. And I want to extend my gratitude to all Ecovyst employees for their dedication and their contributions to the success we have had this year. We firmly believe our year-to-date results demonstrate the true resilience and organic growth potential of Ecovyst business model. Furthermore, our favorable results thus far in 2022 validate the decision to divest the Performance Chemicals and Performance Materials businesses, which enabled Ecovyst to focus on growing the high-quality uniquely positioned businesses that we have today. We have entered the fourth quarter with good business momentum in both our Ecoservices and our Catalyst Technologies businesses. As a result for full-year 2022, we expect to deliver on the high-end of our guidance range for adjusted EBITDA. Looking forward into 2023, while the uncertain economic environment could result in some softening of demand, we still expect demand fundamentals across our end-use exposures to remain positive. We believe our leadership positions in growth markets, the nature of our long-standing customer relationships and in some cases, order backlog will all continue to provide for good near-term visibility. With a net debt-to-leverage ratio of 2.8 times and in light of the cash generation capability we have, our balance sheet is in very strong shape. We expect to generate additional cash over the course of the fourth quarter, which will continue to provide us with the flexibility as we balance our capital allocation alternatives and continue to position Ecovyst to deliver exceptional value for our shareholders. With that, we will ask the operator to open the line for questions.

Operator

Operator

Thank you. [Operator Instructions] Our first question will come from John McNulty with BMO Capital Markets. Your line is open, please go ahead.

John McNulty

Analyst

Yes, thanks a lot. Thanks for taking my questions. So I guess the first one would just be on the refining catalyst business in terms of some of the business that kind of got delayed or pushed out as the refiners postponed some of their turnarounds. Does that all get pushed into the fourth quarter? Or do you see that drag into 2023 as well? Because I know 2023 was looking like we were going to see a pretty good step up already. But I guess curious if that maybe even picks up higher.

Kurt Bitting

Analyst

Hey, thanks, John. Yes, really nothing has fundamentally changed with the hydrocracking business, we've seen delays, as you mentioned, and this is really due to the historically high distillate cracks in the marketplace right now. And as you've probably seen the historically low inventories at distillate, so this is obviously encourage refineries to put off turnarounds and the catalyst change-outs to basically make more product for the marketplace. But the other side of this is that when -- with these high margins and the high demand for the product is when these refineries do take those outages, they're going to look to install really high-yielding and high-performance catalysts like Zeolyst offers. So we did -- as we did mention, fourth quarter will be stronger on hydrocracking, and we look at these types of things as they're really delays. They're not -- that won't go on a very long time, and it's really due to just the demand for the product in the market right now.

John McNulty

Analyst

Got it. Fair enough. And then when you think about the Ecoservices business as we start looking out to 2023, it seems like there's, kind of, a lot of puts and takes. It seems like you may see more demand from the regeneration side as the economy is opening up and you see more and more driving. At the same time, like there is obviously concerns about the economy slowing down and so maybe there's a negative impact on mining and industrial. So maybe can you walk us through how you guys are thinking about the puts and takes and maybe give us a little bit of an early peek at how you're thinking about 2023?

Kurt Bitting

Analyst

Yes. I mean we won't -- obviously, we're not going to provide any guidance towards 2023. But if you look at just the underlying trends for -- specifically for the Ecoservices business, high refinery utilization, above historic average of refinery crack spreads, the continued strong demand for alkylate and the octane and the clean gasoline component that it provides to the U.S. motor pool, strong exports of motor gasoline leaving the United States, which are our customers, particularly in the Gulf Coast, participate strongly in that. So that is all going to continue to benefit the Regeneration business. As you look over to virgin sulfuric acid, I mean, the way I like to think of it is really virgin sulfuric acid is where the rubber meets the road on creating these green technologies and low-carbon technologies and the minerals and metals required for that clearly demands a lot of virgin sulfuric acid. The other sections of our virgin sulfuric acid business, I would say, more in the industrial and the materials side. A lot of that is concentrated towards in the Gulf Coast, where those customers, again, have enormous energy advantage and should continue to prosper in this environment.

John McNulty

Analyst

Got it. Helpful, helpful color. Thanks very much.

Kurt Bitting

Analyst

Thank you.

Operator

Operator

[Operator Instructions] We'll go next to David Begleiter with Deutsche Bank. Your line is open, please go ahead.

David Begleiter

Analyst

Thank you, Kurt. Just sticking on the virgin sulfuric acid business. In a recession, how has it performed historically in prior downturns?

Kurt Bitting

Analyst

Yes. In prior downturns, it's been stable. We have a -- fortunately, I've been with the business really since 2006. So I've gone through the 2008 downturn and obviously, the 2020 downturn. And the business is very diverse. So obviously, sulfuric acid is the most widely used chemical in the world. Our particular portfolio business is diverse in terms of its exposure to industrial. Again, mining as we -- I think what may be different as we enter 2023, different from maybe past is really the mining segment continuing to remain strong. We don't really see anything that's going to deter future mining activity and the need for the green technology and low-carbon technologies that require those copious amounts of metals and minerals. And again, on the industrial side, very diverse in terms of materials, to petrochemicals, to water treatment chemicals. A lot of our business, again, is concentrated in the Gulf Coast, which has an enormous energy advantage versus their competition worldwide.

David Begleiter

Analyst

Very good. And just in our Catalyst Technologies, you mentioned higher production costs in Q3. Could you talk to those? And is that one of the reasons why Q4 is -- looks like quite a bit stronger than Q3?

Kurt Bitting

Analyst

Yes. Well, really for -- on the Catalyst side, when you look at the what Q3 is, first of all, I guess on the Q2 call, we did say that Q3 was going to look a lot like Q2. So when you look at overall Catalyst performance, you had a few things going on there, right? The hydrocracking sales, which we talked about earlier that were delayed due to really the strength in the distillate production going on right now. There was a -- from a comparative standpoint versus third quarter of 2021, the mix was slightly different. And then really on the production cost side that we refer to as really intercompany shipment costs where we had some kind of one-time logistics bottlenecks that required us to do some freight expediting of raw materials in between plants.

David Begleiter

Analyst

And can you quantify that impact in Q3? And is that for Q4?

David Begleiter

Analyst

Yes. We don't think the -- for Q4, as we said, we expect Q4 to be stronger than Q3 in the Catalyst business. In terms of the production cost impact of those intercompany transfers, we see that moderating as the logistics supply chains are improving.

David Begleiter

Analyst

Thank you very much.

Operator

Operator

Our next question comes from Aleksey Yefremov with KeyBanc Capital Markets. Your line is open, please go ahead.

Aleksey Yefremov

Analyst · KeyBanc Capital Markets. Your line is open, please go ahead.

Thanks. Good morning, everyone. Just to stay on the Catalyst side, I realize you will not be providing guidance for next year. But what's your sense can Catalyst business grow next year grow EBITDA?

Kurt Bitting

Analyst · KeyBanc Capital Markets. Your line is open, please go ahead.

Yes. Sure. So we expect there's -- again, there's strong underlying growth trends in that Catalyst business. Clearly, diesel crack spreads and diesel inventories are expected to remain favorable going into next year, benefiting the hydrocracking segment. When you look over to some of the other sections of Catalyst Technologies on emission controls, clearly, as we've talked about before, there's a backlog of heavy-duty diesel vehicles that has built up that will require emission controlled catalysts moving into 2023. And we really see in our other segments of the Catalyst business firmness, when we talk about things like polyethylene in terms of this demand for things like film and sheeting continue to remain strong. So really, as we look going forward, we see really continued strength. And obviously, as we've highlighted before in previous calls, renewable fuels continues to be a tailwind for us is obviously higher distillate cracks encourages even more renewable fuels production and the construction of new renewable fuels plants.

Aleksey Yefremov

Analyst · KeyBanc Capital Markets. Your line is open, please go ahead.

Thanks, Kurt. And on Ecoservices, you reported volume growth this quarter, was this primarily Regeneration or both markets?

Kurt Bitting

Analyst · KeyBanc Capital Markets. Your line is open, please go ahead.

Yes, I can answer that one. That was primarily in the Regeneration Services side. That was the predominance of the volume growth. However, I would comment that virgin sulfuric acid was up modestly. Again, it was up continuing with the strong growth in the various end markets. So both sides were up, but more on the Regen side.

Aleksey Yefremov

Analyst · KeyBanc Capital Markets. Your line is open, please go ahead.

Thanks. And last one, if I may, just on virgin markets. Do you see any signs of weaker demand trends? Obviously, there's some seasonality. But beyond that is there any red flags in that market?

Kurt Bitting

Analyst · KeyBanc Capital Markets. Your line is open, please go ahead.

Yes. I think the virgin sulfuric business isn't so seasonal. The Regeneration is, and I think as we said before, as you enter the fourth and the first quarters on Regeneration refineries and ourselves, Ecoservices will typically take our maintenance during those times off the peak season times. On virgin sulfuric, it's less so. It's more really kind of steady demand. So when you look at the end market drivers there, again, the Petrochemical, the Materials business remains strong. And I think that's for us, being completely North American-based. Our customers are enjoying a very large energy advantage versus their global competition, which allows them to keep very high utilization rates. And again, on the mining segment, I mean, it's clearly, all the tailwinds behind that sector are really going to be hard to kind of disrupt, right? When you think about all the investment, the government subsidies that are -- even the recent inflation Reduction Act, which put a large amount of subsidies and tax credits into things like green infrastructure, as well as electric vehicles, which all are going to require really a lot of U.S. mining activities. So that's very beneficial for the virgin asset segment.

Aleksey Yefremov

Analyst · KeyBanc Capital Markets. Your line is open, please go ahead.

Very helpful. Thanks a lot.

Operator

Operator

We'll go to next to Angel Castillo with Morgan Stanley. Your line is open, please go ahead.

Angel Castillo

Analyst

Alright, thanks for taking my questions. First, I was just wondering if you could give us a little bit more color on the methyl methacrylate or MMA catalyst business. And what you're seeing there in terms of orders as well as just overall demand, both fourth quarter and for 2023?

Kurt Bitting

Analyst

Yes. Well, for methyl methacrylate, we tend to refer those as more in the niche or custom catalyst space in general. I think we mentioned that third quarter -- as compared to third quarter 2021 was -- the mix of that was different. So that was lighter this year than last year. And that's primarily a timing. Those methyl methacrylate orders generally are -- there's not sales in every quarter, they generally can be a timing issue as those customers refill those units. But we believe the demand in that space remains strong. We have a really good and unique technology offering there with long-term relationships with those customers and are really specified into those units. So we feel that's healthy going forward.

Angel Castillo

Analyst

That's helpful. Thank you. And then just in terms of capital allocation, you noted you did another $11 million of buybacks this quarter. And you talked about opportunities in terms of bolt-ons or further kind of investments. Could you just tell us, I guess, as you think about both the near-term and into next year? How you're kind of thinking about both the buyback opportunity, given you have authorization to outstanding, as well as bolt-on opportunities in the pipeline that you see there, both from a time line perspective and in areas of potential interest or opportunities?

Kurt Bitting

Analyst

Sure. Good question, so we look at the business's cash generation, as well as its strong balance sheet really gives us, as I like to say, a very flexible and robust capital allocation strategy. So as we look at that strategy, clearly, growth is very important. So we have a rich pipeline of both organic and inorganic opportunities. And as we go forward, we're going to use that cash generation and the balance sheet to fund that growth, where we can -- and we've looked at -- as we look at M&A opportunities, we're clearly -- our existing business is clearly in the energy environment. Things linked to green infrastructure trends, renewable fuels and really the production onshoring of a lot of materials that we see on right now. So as we evaluate opportunities going forward, we're going to continue to look in those spaces. In terms of the stock repurchases, listen we view the management teams very strongly viewed that our share price is undervalued. So we participated in both open market purchases, as well as alongside the secondary offering that happened in Catalyst. So we feel very strongly that where the stock is undervalued, we -- the company has participated in those repurchases, as well as the management team. I'll highlight, again, this quarter was another strong quarter for management personally buying shares as well.

Angel Castillo

Analyst

Great, helpful. Thank you.

Operator

Operator

We'll go next to P.J. Juvekar with Citi. Your line is open, please go ahead.

Patrick Cunningham

Analyst

Hi, this is Patrick Cunningham on for P.J. Good morning. We've started to see some inventory destocking in polyethylene and producers are cutting utilization rates. How do you -- what are your expectations for polyethylene film and packaging demand? And do you expect this sort of recent destocking to near-term volume growth?

Kurt Bitting

Analyst

Sure. So our polyethylene sales were up in the third quarter. You have seen and we've read the same thing where you've seen some, I would say, more inventory distortions on separate side of the supply chain as there's been ongoing shipment and logistics issues in the industry. But we view things like film and sheet as remaining stable. As we mentioned, our really highly customized catalysts that we were specified into really the world-class producers of polyethylene companies that are on the very low-end of the cost curve, due to their scale and their location and their cost of energy. So our customer base is generally maintained a very high utilization. So we feel pretty good about polyethylene going forward.

Patrick Cunningham

Analyst

Great, and how are you thinking about the potential benefits of the Inflation Reduction Act? Are there any, sort of, growth investments that become more incrementally attractive, whether it’d be catalyst for renewable fuels or something in plastics recycling? How are you positioning yourself given that -- the bill?

Kurt Bitting

Analyst

Yes. I mean, reviewing the Inflation Reduction Act, it really supports several aspects of the business. First, there is tax credits and loans for green infrastructure. So as I mentioned before, that's really where the virgin acid segment plays a vital role and the production of those metals in minerals that are going to be required to produce things like wind turbines, solar panels, et cetera. The Act also extends the credits for renewable fuels and introduces a new credit for sustainable aviation fuel, which is kind of the next generation of renewable fuels. And that we expect really sustainable aviation fuel to really start being adopted heavily around mid-decade. And then finally, the clean vehicle development of the Act, again, encourages those vehicles to be made with the metals and minerals that are produced here in the U.S., which will be a tailwind for the mining sector and virgin acid. But in general, the Inflation Reduction Act is very, very positive for numerous segments of our business. You did mention the plastics recycling. So we, again -- and we've talked about that before, we're working with major plastics producers on catalyst technology that really enables the catalytic paralysis or catalytic recycling of plastics, and we expect that to really, kind of, be commercialized in a decade.

Patrick Cunningham

Analyst

Great. Thank you.

Operator

Operator

Our next question comes from Laurence Alexander with Jefferies. Your line is open, please go ahead.

Laurence Alexander

Analyst · Jefferies. Your line is open, please go ahead.

Good morning. Just two questions on cadence. One to follow up on the last question. When new renewable diesel capacity ramps up, is there an initial fill order for your product? Or is your sales to that facility going to be tied more to just their actual production run rates?

Kurt Bitting

Analyst · Jefferies. Your line is open, please go ahead.

Yes. So yes and yes. So we have -- when you look at the -- our renewable fuels exposure is really on two sides of the business, so starting on the Ecoservices side, the Chem32 Catalyst Activation business that we acquired last year. They are sulfiding the hydroprocessing side of that process. So those hydroprocessing catalysts when the units built requires it to be sulfided and then those catalysts end up being changed out every year to 18-months. So there's kind of a repeat -- natural repeat business that goes through that. On the Catalyst Technology side, we're making zeolite catalysts that are used in the dewaxing side of that process. Those are more for the initial fields and then the change out rate on those is a little bit longer multiyear change out rate, so we kind of play on both sides. We're one -- we -- on the initial fill, both businesses do benefit, but then there's the intermittent change out that occur anywhere from now 10 months to 18 months on the Ecoservices side and a couple of years on the Catalyst Technology side.

Laurence Alexander

Analyst · Jefferies. Your line is open, please go ahead.

Okay. No, that's very helpful. And then when you look at the scale of the investments that have been proposed already in the renewable diesel area, do you have enough capacity to serve that by flexing and shifting capacity over from other end markets? Or do you need to undertake an investment cycle? And if you do, when do you need to do that to be ready for the customers?

Kurt Bitting

Analyst · Jefferies. Your line is open, please go ahead.

Yes. So on the Catalyst Activation side for renewables when we purchased the Chem32 business, one of the things that was attractive about that business was its scalability. So we are actively scoping and looking at ways to scale that up to meet that growing demand, especially as new renewable units are built will require not only new builds, but then the recharge those bills and meeting that demand. And on the renewable side for the Catalyst Technologies business for the zeolite catalysts, clearly, we have capacity in that sector that we can flex between our emission controls production. So some of those assets are fungible between both so -- as demand grows or we need to create capacity for one or the other, we can flex between the products.

Laurence Alexander

Analyst · Jefferies. Your line is open, please go ahead.

Okay, great. And then separately on the heavy-duty diesel side, what's your -- will you see a downturn in volumes at the same time as production of the vehicles? Or do you -- once the backlogs are worked off? Or will you see a slowdown before the backlogs are kind of finished? I mean, just what's your place in the inventory cycle?

Kurt Bitting

Analyst · Jefferies. Your line is open, please go ahead.

Yes. I mean we've seen -- that business is obviously has gone through supply chain disruptions, particularly on the chip side, but we have seen customers that are starting to -- were starting to stock up an order in anticipation of working that backlog down. I think the backlog is pretty much was created over a two year period. So we think that's got kind of a longer tail to it. And then once we come to, kind of, the end of that and more of a normalization there are new -- both Europe and the U.S. are considering new regulations, which will require even more stringent emission controls, which will eventually require more DLI catalysts for those emission control. So we kind of view it as if we're looking more long-term-ish working off of that backlog over the next couple of years, because it will take us a while to do that. And then after that, additional demand really coming from new regulations.

Laurence Alexander

Analyst · Jefferies. Your line is open, please go ahead.

Great, got it. Okay, great. Thank you.

Operator

Operator

[Operator Instructions] We'll go next to David Silver with CL King. Your line is open, please go ahead.

David Silver

Analyst

Okay, thank you. I have a couple of questions. I'll apologize in advance, I did have to step away at one or two points here. I have a couple of questions to start on the sulfur side. So first, I just was hoping you could refresh my memory on the mechanism for sulfur cost pass-throughs. In other words, we've seen a steep runup earlier this year and now a pretty steep decline in the price of sulfur? Is the pass-through mechanism kind of seamless? Or are there leads and lags that may impact your reported quarterly results? I mean how seamless would that pass-through mechanism be?

Kurt Bitting

Analyst

Yes. Thanks for the question, David. I think the -- it's not perfectly seamless, there are small lags both from what we purchase from our suppliers may lag with the current market prices. And then obviously, our -- the contractual mechanism point of that may lag a little bit, but it's nothing very material. We always are -- have been pretty good with closely overlapping the sulfur costs with what our actual pricing is to our customers. So it's really not a big what we call sour spot or sweet spot out there where you're on one side or the other. .

David Silver

Analyst

Okay, thanks. And then a question about your virgin sulfuric acid production capability, so I mean, you've cited that as a source of stronger growth for a number of quarters now. Where are you on your own capacity utilization for the virgin product? And in particular, can you just remind me, but is it possible or practical to debottleneck your sulfuric acid unit? Or is it the case where you'd really have to go greenfield, which I recall at worldscale can be pretty expensive? Thanks.

Kurt Bitting

Analyst

Yes. I would say the utilization on the assets both on regeneration and virgin acid not just with us, but really in the whole industry is high. And you've probably seen that if you've read about demand for virgin acid has obviously been very strong to support some of the fundamentals we spoke about earlier. But we're constantly innovating in the Ecoservices business and working on debottlenecking projects. We had mentioned some in the past quarters where we've installed new logistics capabilities, particularly at the Houston site, where we installed pretty much doubled our rail shipment capability. We've gone back and are actually adding to that right now. We've added rail capacity to the Martinez plant this year. We've got several other projects that are really targeted towards virgin acid in the Southern California and Midwest plant where we can actually increase the amount of sulfur throughput that we can have in the furnaces. So there is things out there that we're constantly working on to incrementally debottleneck the units. A lot of it is -- we're replacing pieces of equipment with larger pieces of equipment or larger pumping capability that just allows us to produce more virgin sulfuric acid, which has allowed us to really keep pace with the growing market demand.

David Silver

Analyst

Okay, great. And then one last one on the sulfuric acid, but I have read an article recently linking very strong demand for sulfuric acid with lithium production in particular. And apart from the trajectory of global lithium production, is there anything especially unique about the processing or the extraction of lithium going on that would lead to an unusually high intensity of sulfuric acid consumption in that end market? So apart from the production growth level, but is the process itself, especially intensively -- an intensive user of sulfuric acid?

Kurt Bitting

Analyst

Yes. I think it really gets back to -- it really gets back to just the ore content, right? So you have projects that you're trying to drive smaller amounts of minerals out of a larger amount of rock, I think, for the lithium. So you're just requiring more sulfuric acid. We've seen everything from upwards of 20 tons of sulfuric acid per ton of lithium carbonate produced. On the copper side, that's lower, where it's 3 tons to 5 tons of sulfur per ton of copper produced. But one of the things that is now going on and I would say the metals industry is metal prices have become so favorable and metals demand high for these green infrastructure projects where we're seeing mines go back and go after, I'd say, they call leach piles, things ores that have already been processed that have residual metals and minerals on them, and they'll go and re-leach them with even more amounts of sulfuric acid to try to drive out as much metal as they possibly can, so that's led to even higher demand of sulfuric acid.

David Silver

Analyst

Okay. And then last question would be about your share buyback activity, and this would be along the lines of how you decide where to direct, kind of, incremental buyback activity. So I did look at the final prospectus from August on the secondary offering by your major stockholder. And then you indicated above and beyond that, you chose to purchase, I think, 1.1 million shares in the open market here. And when I think about kind of the optimal way -- might be optimal way to conduct that. I'm just scratching my head, but you are able to get a discount, I guess, off of the market when you go in one direction and you're purchasing at full market, give or take, in the other direction. And I'm just wondering from the point of view of stability of the share price and return on your buyback dollars, how do you think about negotiating directly with a major shareholder versus going out in the open market to conduct those buybacks? Thank you.

Mike Feehan

Analyst

Yes. David, it's Mike. So the open market purchases were done prior to the purchase with the secondary, right? So that was really an extension of what we had done at the end of the second quarter that bled into the beginning of the third quarter. And again, we look at that really for academically when your stock price is trading a lot lower than our expectations are. And as Kurt mentioned, we believe that the stock is undervalued, so it made sense to execute those open market purchases. And then when we executed on the stock buyback as part of the August secondary, those were not necessarily negotiated, but they were just in conjunction with the price that was executed under the secondary. So again, it was, as you could see, at a lower price, but it was part of the structure. And the ones that were done in the open market were under the 10b5-1 that was in place at the time, but hopefully, that helps clarify. But we're always looking for a prudent execution to increase shareholder value for those share repurchases.

David Silver

Analyst

That’s very clear. Thank you very much.

Operator

Operator

We have no further questions in the queue at this time. This does conclude the Ecovyst third quarter 2022 earnings call and webcast. Thank you for your participation and you may disconnect at any time.