File: Attachment HMCL Press release Q1 2024.pdf

PRESS RELEASE Hammond Manufacturing Company Limited

394 Edinburgh Road North Guelph, Ontario, Canada N1H 1E5 Toronto: (905) 456-3770 Guelph: (519) 822-2960 Fax: (519) 822-8987

Trade Symbol TSX:HMM.A

HAMMOND MANUFACTURING COMPANY LIMITED announces financial results for the first quarter ended March 29, 2024:

Net product sales Three months ending: Income from operating activities(*) 03/29/2024 03/31/2023 Net income for the period $59,086,000 $62,492,000 Total comprehensive income for the period 6,859,000 6,238,000 Earnings per share 4,457,000 4,155,000 Basic 5,204,000 4,183,000 Diluted $0.39 $0.37 $0.39 $0.37

(*) Earnings from operations is bef ore interest, foreign exchange, equity interest, other income and taxes NOTE: The interim financial results have not been review ed by an auditor

GUELPH, ONTARIO April 30, 2024

To all employees and shareholders:

Sales are up over the fourth quarter of 2023 as our markets remain steady.

Hammond Manufacturing Company Limited manufactures a broad range of products for the electronic and electrical products industry, including metallic and non-metallic enclosures, racks, small cases, outlet strips, surge suppressors and electronic transformers.

For information, contact: Hammond Manufacturing Company Limited Robert F. Hammond, Chairman and CEO Tel. (519) 822-2960 Fax. (519) 822-7289 Email: ir@hammfg.com

For Release April 30, 2024