Mason Wells Newsletter 2026 – Volume 1

• RCP Advisors 2025 Manager of the Year Award Presented to Mason Wells
• Accord Carton Co. Names Cesar Flores Chief Financial Officer
• Armis Durable Labels Rebrand and New CFO Appointment
• Calvary Industries Strengthens Leadership Team with New CFO and VP of Sales & Marketing
• Keystone Experts + Engineers Announces Strategic Partnership with Semke Forensic and Pyr-Tech
• MGS Mfg. Group, Inc. Acquisition and Product Launch Update
• Radius Packaging, Inc. Named 2025 Plastics News Processor of the Year
• Mason Wells Staff Promotions

RCP Advisors has named Mason Wells its 2025 Manager of the Year, citing the firm’s consistent discipline, collaborative style, and history of well-executed exits. RCP highlighted Mason Wells’ steady investment approach, focus on operational fundamentals, and people-first commitment to supporting management teams in building durable, well-positioned businesses.

RCP Advisors is an investor in multiple Mason Wells funds. “Our 15-year relationship with Mason Wells has been defined by both performance and true partnership. Their disciplined investment approach and authentic commitment to supporting management teams closely align with the values we seek in long-term relationships. We are proud to recognize Mason Wells as our 2025 Manager of the Year,” said Jon Madorsky, Managing Partner at RCP Advisors.

The recognition follows a strong 2025 for Mason Wells, including the July 2025 sale of Structural Concepts Corporation to Hoshizaki USA Holdings after a seven-year investment, during which Mason Wells helped grow the Company into a market-leading provider of temperature-controlled food and beverage merchandising equipment.

Disclosure: RCP Advisors is an investor in multiple Mason Wells funds, which creates a conflict of interest in connection with this recognition. No fee was paid by Mason Wells or its investment professionals in exchange for the award.

For more information, please visit www.rcpadvisors.com.

Accord Carton Co., a Mason Wells Buyout Fund V, LP portfolio company, welcomes Cesar Flores as Chief Financial Officer. Cesar brings nearly 20 years of financial leadership experience, spanning FP&A, financial transformation, capital management, and M&A integration roles. At Accord, Cesar is leading the finance and IT departments and will play a central role in supporting the Company’s continued growth.

“Cesar’s experience and proven track record make him a strong addition to Accord’s leadership team for this next phase of growth,” said Tommy Conner, President and Chief Executive Officer of Accord. “His track record of driving results through close partnership with the broader team will be a real asset to our organization.”

“I’m glad to be joining Accord and partnering with Tommy and the rest of the team as the Company builds on its momentum,” said Cesar. “I look forward to leading the finance and IT function, helping the team capture the opportunities ahead.”

For more information, please visit the Company’s website at www.accordcarton.com.

On February 18, 2026, Armis Durable Labels (Armis), a Mason Wells Buyout Fund V, LP portfolio company, launched as a new parent company uniting durable label brands IDENTCO, Reliance, and Trebnick. Headquartered in Ingleside, Illinois, and with operations in Kansas, Mexico, and Europe, Armis delivers end-to-end durable label solutions including labels, tags, printers, applicators, software, and turnkey systems for the electronics, building & construction, and specialty chemical markets.

Brad Zechman, a 25-year veteran of the adhesives and labeling industry, leads the Company as Chief Executive Officer. “Armis fills a critical gap in the market for companies that need durable labeling systems delivered faster and smarter, with a differentiated approach to customer partnership,” said Mr. Zechman. “By bringing together high-performing label companies, we’re unlocking synergies, driving efficiencies, and redefining the value labeling systems can deliver. This translates to increased returns for our customers.”

As part of its business evolution, Armis has also named Frank Patton as Chief Financial Officer effective June 22, 2026.

Mr. Patton is a highly accomplished financial executive with a proven track record of driving growth, operational performance, and value creation across private-equity-backed and multinational environments, including a role in multiple successful exits generating significant shareholder value. Most recently, Mr. Patton served as Chief Financial Officer of SV Labs Corporation, where he led corporate finance, IT, legal, and risk management while helping position the business for long-term growth and potential exit opportunities. Prior to that, he was Chief Financial Officer of Kilcoy Global Foods of North America, where he spearheaded strategic planning initiatives, digital transformation efforts, and financial improvements that significantly enhanced EBITDA performance and operational efficiency. Mr. Patton brings deep expertise in building high-performing teams and scalable financial processes, strategic planning and financial leadership, operational and cost optimization, and M&A, due diligence, and integration.

We’re excited to have Frank’s leadership as we continue to execute on our growth strategy,” said Brad Zechman.

For more information, please visit the Company’s website at armislabels.com.

Calvary Industreis (Calvary), a Mason Wells Buyout Fund V, LP portfolio company, has added two key leaders to its executive team this year: Brent Westermeyer as Chief Financial Officer and Brad Davis as Vice President of Sales & Marketing.

Mr. Westermeyer joined Calvary on April 20, 2026. With nearly 30 years of progressive financial, corporate development, and supply chain leadership experience, he will play a key role in strengthening Calvary’s long-term financial foundation and driving equity value creation. Most recently, Mr. Westermeyer served as Chief Financial Officer of Cincinnati-based Sur-Seal, where he oversaw finance, accounting, HR, IT, and supply chain functions. He holds a bachelor’s degree in finance from the University of Illinois.

“Mr. Westermeyer brings a wealth of experience in senior financial leadership and a proven ability to elevate performance,” said Austin Morelock, Calvary’s Chief Executive Officer and President. “Calvary is at a pivotal moment in its growth and evolution, and I couldn’t be more excited to be a part of what’s next,” said Mr. Westermeyer. “My focus will be on working closely with the leadership team and board to unlock strategic growth opportunities and support operational and financial excellence across the business.

On July 27, 2026, chemicals industry veteran Brad Davis also joined Calvary as Vice President of Sales & Marketing. He will oversee the Company’s sales efforts focused on metal pretreatment, lubricants, wastewater treatment, and other industrial cleaning chemistries. Most recently, Mr. Davis served as Vice President of Sales at Charter Wire, where he drove growth through market insights, customer intimacy, and technical product knowledge. He previously held sales and business development leadership roles at Dubois Chemicals and Huntsman. Mr. Davis earned an MBA from Texas A&M and a bachelor’s degree from the University of Wisconsin-Madison.

“We are confident that Brad’s industry experience coupled with his deep sales management expertise will provide a huge benefit to the Company and our customers,” said Mr. Morelock. “Calvary has a phenomenal culture and reputation in the marketplace for solving technical problems,” said Mr. Davis. “I’m trilled to play a part in the next chapter of growth.”

For more information, please visit the Company’s website at www.calvaryindustries.com.

On January 15, 2026, Keystone Experts + Engineers (Keystone) announced a strategic partnership with Semke Forensic and Pyr-Tech. This collaboration brings together industry leaders committed to technical excellence, responsive service, and trusted expertise across the insurance and legal sectors.

Through this partnership, Keystone will integrate Semke’s nationally respected testifying experts and robust mechanical, electrical, civil, and vehicle accident reconstruction capabilities into its service offerings for insurance clients. In turn, Semke and Pyr-Tech will leverage Keystone’s multidisciplinary resources and national scale to enhance their support for legal professionals navigating complex forensic matters.

“The Semke and Pyr-Tech teams are recognized for delivering cutting-edge, high-quality technical expertise in a timely manner,” said Jeremy Mele, President of Keystone Experts + Engineers, a Mason Wells Buyout Fund V, LP portfolio company. “We’re aligned in our belief that excellence is earned through clarity, accountability, and service. Together, we’re raising the bar for what clients can expect from forensic expert firms.”

“This partnership allows us to expand our reach while staying true to the technical rigor and client-first mindset that defines our work,” said Fred Semke, PE, Founder of Semke Forensic. “Keystone’s reputation for execution, responsiveness, and integrity mirrors our own values.”

This alliance creates a powerful bridge between distinct client bases – attorneys and law firms on one side, carriers and end clients on the other. By combining Keystone’s established expertise in client- and carrier-facing forensic services with Semke’s litigation-focused expert witness support, both organizations unlock new opportunities to deliver higher-level technical experts and comprehensive solutions across industries. Clients of both firms will now gain access to an expanded array of services including civil engineering, fire investigation, and crash data analysis supported by seamless collaboration and a unified commitment to results.

For more information, please visit the Company’s website at www.keystoneexperts.com.

MGS Mfg. Group, Inc., operating as MGS Healthcare Manufacturing (MGS), a global supplier of injection molded plastics components, tooling, and equipment for the healthcare end market announced the acquisition of Knudsen Plast A/S, a Denmark-based injection molder with more than 40 years of healthcare manufacturing experience. With operations in Denmark and Slovakia, Knudsen Plast expands MGS’ cleanroom molding capacity and strengthens its reach across Central and Eastern Europe.

“This acquisition is beneficial for both MGS and Knudsen Plast customers,” said Paul Manley, President and Chief Executive Officer of MGS, a Mason Wells Buyout Fund IV, LP portfolio company. “MGS benefits from Knudsen Plast’s highly respected technical expertise, strong quality systems and a commitment to delivering innovations that improve lives. At the same time, Knudsen Plast customers benefit from MGS’ vertically integrated solutions across Design & Development, Tooling, Automation and Manufacturing. Together, we are better positioned to help lead healthcare innovators, accelerate development, strengthen supply chains, and scale production with confidence.”

Jens Kristian Pedersen, Managing Director of Knudsen Plast A/S, echoed these sentiments: “Joining MGS is a natural next step for our team and our customers. We are both deeply committed to advancing healthcare innovations, and have cultures built on responsibility, precision, and trust.” Soren Nielsen, Managing Director of Knudsen Plast Slovakia, added, “This relationship opens new opportunities to bring greater value to Pharma, Diagnostic and MedTech companies in Central and Eastern Europe, while giving our employees an enhanced ability to grow within a global organization.”

With the addition of Knudsen Plast’s more than 200 employees, MGS now employs 1,600 team members across 13 global facilities.

Separately, MGS introduced it’s A.i.r. Platform™ (Auto-injector Reimagined), a customizable auto-injector system built around an adaptable core engine, with patents pending, that can be configured into multiple device formats. The platform supports fill volumes from 0.3 to 2.25 mL and lets pharmaceutical customers tailor injection time, activation profile, drug-viscosity compatibility, and device appearance to their own brand and patient needs, using just seven plastic parts and two springs.

“This is exactly the kind of innovation our customers have been waiting for,” said Bob Bordignon, Senior Vice President of Sales and Marketing at MGS. Mr. Bordignon said the platform reflects years of engineering and design collaboration and gives pharmaceutical partners a faster, lower-risk path to bring differentiated, patient-centered devices to market, including options built for pediatric use and patients with limited dexterity.

Learn more about the A.i.r. Platform™.

For more information, please visit the Company’s website at www.mgsmfg.com.

Radius Packaging, Inc. (Radius), a Mason Wells Buyout Fund IV, LP portfolio company, was named 2025 Plastics News Processor of the Year — the highest honor in the plastics processing industry — on March 27, 2026. Now a three-time finalist, Radius was recognized for its robust financial performance, sustainability focus, and employee-centric culture, having posted record sales and earnings in 2025 on the back of product innovation, automation investment, and expanded customer relationships.

Sustainability remains a cornerstone of the Company’s strategy: Radius has incorporated post-consumer resin into its packaging solutions and achieved ISCC+ certification, reinforcing its commitment to circular economy principles.

“This award reflects the talent, commitment, and passion of our team across every function and facility,” said Tom Frank, President and Chief Executive Officer. “It’s not just what we manufacture, but how we work together acting with integrity, striving for excellence, and staying centered on our customers’ success.”

“We’ve been intentional about the investments we’ve made and the path we’re on,” Mr. Frank added. “This recognition validates that work and motivates us to keep pushing forward, innovating responsibly and investing in our people.”

First introduced in 1996, the Processor of the Year award evaluates companies on financial performance, quality, customer relations, employee engagement, environmental stewardship, and innovation.

For more information, please visit the Company’s website at www.radiuspkg.com.

Tyler Reinecke Promoted to Vice President

Effective January 1, 2026, Tyler Reinecke was promoted to Vice President. Since joining Mason Wells in 2022, Mr. Reinecke has been primarily responsible for supporting the Mason Wells Buyout Funds’ investment activities, including initiating investment opportunities, new investment analysis, conducting due diligence, negotiating debt financings, and working with portfolio company management teams.

Before joining Mason Wells, Mr. Reinecke was an Investment Professional with Industrial Growth Partners, where he focused on private equity investments in middle-market companies.

Mr. Reinecke received a Bachelor of Business Administration degree with Distinction in Finance from the University of Wisconsin-Madison. He previously served in the role of Senior Associate at Mason Wells.

Brady Walsh Promoted to Director of Business Development

Effective January 1, 2026, Brady Walsh was promoted to Director of Business Development. Since joining Mason Wells in 2020, Mr. Walsh has been primarily responsible for initiating investment opportunities and new business relationships for the Mason Wells Buyout Funds and portfolio companies. In this capacity, Mr. Walsh manages the firm’s relationships with intermediaries, generates investment opportunities, and manages the firm’s business development efforts.

Before joining Mason Wells, Mr. Walsh was a Senior Consultant at Clerestory Consulting, where he focused on assisting clients in implementing effective organizational change. Prior to Clerestory Consulting, Mr. Walsh was a Senior Associate at PwC, where he worked on audit and advisory engagements and earned his Certified Public Accountant designation in 2017.

Originally from Illinois, Mr. Walsh received a Bachelor of Science degree in Finance and Accounting from Marquette University, where he was a member of the men’s soccer program and earned Big East All-Academic honors. Mr. Walsh currently serves on the leadership committee for YWOW (Young Wishmakers of Wisconsin), assisting in Make-A-Wish Wisconsin’s efforts. He previously served in the role of Business Development Manager at Mason Wells.