Fiscal Year 2021 Third Quarter Results June 30, 2021

109 Years of , Process, and Product Innovation FY2021 1 Forward-looking statements

The information contained in this presentation, and in the oral statements made as part of the presentation, may include “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements relate to future events and expectations and involve known and unknown risks and uncertainties. You should keep in mind that any forward-looking statements made by us speak only as of the date on which we make it. Our actual results or actions may differ materially from those discussed in forward-looking statements. We have no duty to, and do not intend to, update or revise the forward-looking statements in this presentation except as may be required by law. For a summary of specific risk factors that could cause results to differ materially from those expressed in the forward looking statements, please refer to our most recent filings with the Securities and Exchange Commission, including the Company’s Annual report on Form10-K. New risks and uncertainties arise from time to time, and it is impossible for us to predict these events or how they may affect us.

Copyright 2021. Presentation and contents of this presentation are copyrighted by Haynes International, Inc. All rights reserved. Copying of this presentation is forbidden without the prior written consent of Haynes International, Inc. Information in this presentation is provided without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability, fitness for a particular purpose and the timeliness of the information.

Presentation and contents of this presentation are not an offer to buy or sell securities of Haynes International, Inc., and Haynes International, Inc. is not soliciting any offer to buy or sell any such securities.

FY2021 2 From our conference call:

“Continued focus on our improvement initiatives resulted in a return to profitability this quarter. Our efforts to significantly reduce our breakeven point have been successful. We were profitable at 3.7 million pounds shipped in our third quarter, compared to our previous breakeven point of roughly 5 million pounds.” Michael L. Shor, President and CEO of Haynes International

Gross margin percentage improved 530 basis points to 15.5% in the third quarter of fiscal 2021 from 10.2% in the second quarter of fiscal 2021.

We are encouraged by the initial indications of recovery in each of our key end markets; however, the Aerospace supply chain is not expected to experience significant order increases until later this calendar year.

We announced multiple price increases for non-contract business as market conditions improved combined with inflationary pressures.

Our cash generation strategy over the past year has resulted in $74.2 million of cash on the balance sheet at June 30th, providing multiple options for us as we execute our value-creating capital allocation strategy.

FY2021 3 Capital Allocation Strategy designed for value creation “We believe that repurchasing our stock at current market prices represents an attractive capital allocation strategy for the Company. We feel this is a unique opportunity to repurchase shares well below the intrinsic value of the Company given the outlook of the markets we serve, particularly the anticipated recovery in commercial Aerospace, combined with our gross margin expansion strategies.” Michael L. Shor, President and CEO of Haynes International We announced a multi-faceted capital allocation strategy, which includes:

A share repurchase plan,

Adoption of a glide path for its U.S. pension plan to help secure improvements in funding percentage realized this fiscal year due to higher than expected return on plan assets combined with higher interest rates, and

A U.S. pension plan accelerated funding strategy with the intention of fully funding the plan in approximately three years.

“The adoption of a glide path is expected to reduce our current $100 million pension liability by potentially 50%. These steps represent significant actions to de-risk the plan and strive to eliminate the largest liability on our balance sheet. We believe all of these capital allocation strategies are an excellent use of the cash on the balance sheet that we believe will increase shareholder value.” Michael L. Shor, President and CEO of Haynes International

FY2021 4 More than a century of alloy innovation For 109 years, Haynes International has been a leading developer, manufacturer, and distributor of high‐performance nickel‐ and ‐based alloys for use in high‐ temperature and applications. Our focus is on innovation, differentiation, and customer service.

We produce high-value, differentiated nickel-and cobalt-based high-performance alloys.

Developing alloys and solutions for tomorrow.

Application engineering- new and existing alloys.

Unique, world-class manufacturing equipment, including a 4-high reversing hot-rolling mill.

Customer focus: manufacturing, technical sales support, and value-added processing in our service centers.

Dedicated and focused work force.

FY2021 5 Alloy development is at the very heart of what we do. More than 53% of our sales are from our HASTELLOY® and HAYNES® alloys we invented. Since 2003, our technical programs have yielded 9 new proprietary alloys. We currently have 26 published U.S. patents and applications. Key Attributes of High-temperature Alloys 2400 Sulfidation resistance Alumina-formers Molten salt 214® 2200 HR-224® 1200 resistance  dusting 230® HR-160® 233 Low-thermal 2000 resistance 617 expansion + Most fabricable X 200°F advantage ® of this group HR-235 HR-120® vs. 242® alloy 1000 1800 25 188 N 625 Best combination 282® 1600 of creep strength + Waspaloy oxidation resistance R-41 263  800 233 (aged) 1400 244® Premier Gamma-prime formers Ni-base 1200 242® solid-solution alloy* 718 600 Most oxidation- *of the conventional 1000 resistant of chromia-forming type this group Premier Co-base 800 solid-solution 400 alloy 600 Low-thermal expansion Approx. Maximum Use Temperature (°F) Approx. Maximum Use Temperature (°C) 400 200

Age-hardenable Solid-solution 200 Bold type indictes a Haynes International invented alloy; Red Bold type indicates still under U.S. patent.

HAYNES, 214, 230, 242, 244, 282, HR-120, HR-160, HR-224, and HR-235 are registered trademarks of Haynes International, Inc. 233 is a trademark of Haynes International, Inc. (LMP 2/21/2020) 0 0 We don’t merely react to industry requirements. We help define them.

FY2021 6 Our products are out of this world...literally.

Our mission-critical alloys have flown on The Perseverance Rover every Apollo and space shuttle flights, Landed February 18, 2021 lowered the first Viking Mars Lander on August 20, 1975, and continue to be a part of historic space exploration missions.

February 18, 2021 marked the touchdown of the Perseverance rover at the Jezero Crater on Mars. Like NASA’s Curiosity Mission, our high-temperature, HAYNES® 230® alloy was used in the descent thrusters of the Sky Crane vehicle that safely lowered Perseverance to the Martian surface.

The Curiosity Rover Landed August 6, 2012

FY2021 7 Haynes International- synonymous with high-performance alloys.

Our Manufacturing Facilities ROW Other China 10% • Kokomo, Indiana: 18% Melting and flat products 5% • Arcadia, Louisiana: Industrial Gas Turbines Net Revenues Net Revenues Aerospace 15% by End Market Europe by Region Tubular products 50% North America (FY20) 24% (FY20) • Mountain Home, North Carolina: 61% Chemical Wire products Processing 17%

We manufacture sophisticated alloys for specific end-uses. We have the specialized equipment and the technical expertise to market and manufacture these complex alloys.

Revenue by Alloy Family Revenue by Product Forms High-temperature alloys 81% Flat products 56% Corrosion-resistant alloys 19% (Sheet, coil, plate, and cut parts) Long products 44% (Bar, billet, tube, wire)

FY2021 8 Key markets overview Returning to profitability is an exciting milestone as we emerge from what we believe are the early stages of the recovery. Our continued focus on initiatives to increase margins from price increases and cost reductions has successfully reduced our breakeven point. Q3 FY21 vs. Last Year vs. Sequential Sales Mix Q3FY20 Q2FY21 Narrative Aerospace volumes improving, but Aerospace $33,950 39% (16)% 11% still well below normalized levels. Significant order increases not expected until later in calendar year. Chemical Pandemic reopening and increases in Processing $17,010 19% 40% 13% oil prices driving capital expenditures. Industrial Market share gains continuing to Gas $17,835 20% 30% 9% gain additional momentum. Turbine Other Increase in demand from Markets $13,709 16% 22% (12)% automotive sub-market.

Other Increase in toll conversion. Revenue $5,639 6% 77% 28% 3.7M lbs shipped; increase of 18% Total $88,143 100% 9% 7% YoY and 6% sequentially.

FY2021 9 Aerospace Market Q3 Fiscal Year 2021 (ending June 2021): Aerospace is a core strength for us and our largest market. Significant Net revenue at $34.0 million, down (16)% reductions in industry build rates, from last year, but up 11% sequentially. caused by the COVID-19 pandemic Aerospace accounted for 39% of our revenue and the 737MAX, drove lower this quarter. volumes. Volumes improving, but Volume is 1,354,000 lbs, down (11)% from more meaningful order entry last year, but up 15% sequentially. expected later in calendar year. Average selling price at $25.07/lb. Our alloys are used in a strong suite of Aerospace applications, including: • Combustors • Afterburners • Cases • Manifolds • Rings • Hydraulic lines • Shrouds • Heat shields • Fuel systems • Exhaust ducts HAYNES® 25, 188, 214®, 230®, 233™, 242®, 244® 263, 282®, 625, 718, NS-163®, Ti-3Al-2.5V, Waspaloy, MULTIMET®, and HASTELLOY® X alloys

FY2021 10 Chemical Processing Industry

Corrosion-resistant alloys in CPI market recovering with economies reopening and oil prices rising driving CapEx spending by chemical companies. We continue to focus on special projects that utilize our proprietary alloys.

HASTELLOY® B-3®,C-4, C-22®, C-22HS®, G-30®, G-35®, HYBRID-BC1®, N, HAYNES® HR-120®, HR-160®, HR-235®, and ULTIMET® alloys Q3 Fiscal Year 2021 (ending June 2021):

Net revenue at $17.0 million, up 40% from last year and 13% sequentially.

CPI accounted for 19% of our revenue this quarter.

Volume is 814,000 lbs, up 41% from last year and 19% sequentially.

Average selling price at $20.90/lb.

FY2021 11 Industrial Gas Turbine Market

Large turbines are for power generation, and smaller turbines are for pipeline systems. Market share gains are improving volumes. HAYNES® 25, 188, 214®, 230®, 242®, 282®, HR-120®, and HASTELLOY® X alloys Q3 Fiscal Year 2021 (ending June 2021):

Net revenue at $17.8 million, up 30% from last year and 9% sequentially..

The Industrial Gas Turbine market accounted for 20% of our revenue this quarter.

Volume is 1,147,000 lbs, up 49% from last year and 8% sequentially

Average selling price is $15.55/lb.

FY2021 12 Other Markets and Other Revenue Emerging Technologies allow us to place our new and existing alloys into broader applications and new markets, which can represent potential future commercial value as well as advance ESG initiatives.

Application Examples: Fuel cells, concentrated solar power, next-generation nuclear, advanced ultra-supercritical power plants, coal gasification, waste- and biomass- to energy, Q3 Fiscal Year 2021 (ending June 2021): additive manufacturing, etc. Other Markets at $13.7 million, up 22% from last year, but down (12)% sequentially. Other Revenue at $5.6 million, up 77% from last year and up 28% sequentially. Other Markets accounted for 16% of our revenue this quarter, and Other Revenue accounted for 6% of revenue. Volume in Other Markets is 415,000 lbs, up 37% from last year, but down (31)% sequentially.

Average selling price for Other Markets is $33.03/lb.

FY2021 13 Gross margin recovery is building momentum

FY 2019 FY2020 FY2021

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3

kLbs Sold 4,330 5,165 5,121 5,424 4,222 4,326 3,171 2,947 2,792 3,522 3,730

Revenue $ $107.1 $127.5 $126.0 $129.6 $108.5 $111.6 $80.6 $79.9 $72.2 $82.1 $88.1 (in millions) Gross Margin 10.6% 11.5% 14.4% 16.4% 17.3% 17.3% 3.3% 4.9% 1.4% 10.2% 15.5% % Gross margins continue to recover with a 530 basis point increase to 15.5% this quarter after sequentially increasing by 880 basis points last quarter. Fixed cost absorption headwind improving as volume recovers. Direct Charges in FY20 Q3: $5.9M, Q4: $4.0M, and FY21 Q1: $5.9M, Q2: $2.8M, Q3: $2.0M.

Implemented price increases and significant cost reductions to improve margins.

Demonstrated successful reduction of breakeven point from the previous 5 Mlbs sold to 4 Mlbs or less. This quarter was profitable with 3.7 Mlbs shipped. Cash on the balance sheet of $74.2M at June 30, 2021; an increase of $4.3M in Q3, resulting in a total net cash increase of $51.8M since March 31, 2020.

FY2021 14 Our four foundational pillars create a compelling investment.

Industry leader in developing new alloys and new applications for existing alloys. Innovation Market-leading producer of high-performance nickel- and cobalt-based alloys.

Best-in-class sales and distribution infrastructures that facilitate strong customer service and retention.

Service Long-term relationships with blue-chip customer base.

Ability to serve diverse end-markets and geographies.

Strategic capital investments position us to expand product and service capabilities and margins. Manufacturing Continuous improvements and focus on cost optimization.

Strong liquidity position and a well-managed balance sheet. Financial Strength Track record of returning capital to shareholders.

FY2021 15 Reasons for optimism about the long-term future of Haynes:

We have strong liquidity, including $74M in cash on the balance sheet, driven by a proven track record of generating cash.

Pre-COVID, we took single-digit gross margins to 18%, proving our price and cost- work was real with even more potential once volume returns.

Significant capital investments have already been made to position us for growth post-pandemic. Capex at depreciation level next year.

Our alloy and application development is the best in the industry. We continue our focus on high-value, differentiated applications and products.

Business model well-suited for a recovery with ability to provide customers smaller quantities from service centers, value-added cutting, and JIT delivery.

Positive factors in the Chemical Industry with increasing oil prices, encouraging investment. Industrial Gas Turbines growth expected with market share gains. It took a pandemic to stop the momentum of Aerospace growth. Revenue passenger miles have begun to improve. As it does, we expect the same pre-pandemic fundamentals to drive Aerospace growth in the future.

FY2021 16 Haynes International alloys developed and manufactured throughout our history.

Up to the 1950s The 60s through the 90s Through the 21st Century ® (1912) HASTELLOY® C-276 (1968) HASTELLOY® G-50® (1989) HASTELLOY® C-22HS® (2004) STELLITE® 6B (1913) HAYNES® 188 (1968) ULTIMET® (1990) HASTELLOY® G-35® (2004) HASTELLOY® A (1921) HASTELLOY® C-4 (1973) HAYNES® HR-120® (1990) HAYNES® 282® (2005) HASTELLOY® B (1923) HASTELLOY® B-2 (1974) HAYNES® 242® (1990) HASTELLOY® HYBRID-BC1® (2006) HASTELLOY® C (1926) HAYNES® 556® (1978) HAYNES® HR-160® (1990) NS-163® (2007) MULTIMET® (1949) HAYNES® 214® (1981) HASTELLOY® D-205® (1993) HAYNES® HR-224® (2008) HAYNES® 25 (1950) HAYNES® 230® (1984) HASTELLOY® B-3® (1994) HAYNES® 244® (2012) HASTELLOY® X (1952) HASTELLOY® G-30® (1985) HASTELLOY® C-2000® (1995) HAYNES® HR-235® (2013) HASTELLOY® C-22® (1985) HAYNES® 233TM (2016)

We also have new alloy concepts in research and development.

FY2021 17