Company Announcements

PLEASANTON, Calif. , Nov. 4, 2025 /PRNewswire/ -- Simpson Manufacturing Co., Inc. (the "Company") (NYSE: SSD), an industry leader in engineered structural connectors and building solutions, announced today that Mike Olosky, Chief Executive Officer, and Matt Dunn, Chief Financial Officer, will participate in the following upcoming conferences:

• The Baird 2025 Global Industrial Conference on Tuesday, November 11, 2025, at The Ritz-Carlton in Chicago, Illinois. Simpson is scheduled to present at 10:50 am CT and will participate in meetings with investors throughout the day.
• The Stephens 27^th Annual Investment Conference on Tuesday, November 18, 2025, at The Grand Hyatt in Nashville, Tennessee. Simpson is scheduled to present at 10:00 am CT and will participate in meetings with investors throughout the day. 

The presentations will be webcast live over the Internet, hosted on the Investor Relations section of the Company's website at ir.simpsonmfg.com. In addition to the live webcasts, replays will be available on the Company's website for 90 days following the events.

About Simpson Manufacturing Co., Inc.
Simpson Manufacturing Co., Inc., headquartered in Pleasanton, California, through its subsidiaries, including Simpson Strong-Tie Company Inc., designs, engineers and is a leading manufacturer of wood construction products, including connectors, truss plates, fastening systems, fasteners and shear walls, and concrete construction products, including adhesives, specialty chemicals, mechanical anchors, powder actuated tools and reinforcing fiber materials. The Company primarily supplies its building product solutions to both the residential and commercial markets in North America and Europe. The Company's common stock trades on the New York Stock Exchange under the symbol "SSD."

CONTACT: 
Addo Investor Relations 
investor.relations@strongtie.com 
(310) 829-5400