Mr. Normand Macaulay reports

SUPREMEX ANNOUNCES DATE OF ITS 2026 FIRST QUARTER RESULTS CONFERENCE CALL AND ANNUAL MEETING OF SHAREHOLDERS

Supremex Inc. will release its results for the first quarter ended March 31, 2026, before markets open Thursday, May 7, 2026. A conference call to discuss these results will be held on the same day at 9 a.m. Eastern Time.

Conference call

A live broadcast of the conference call will be available on the company's website, in the investors section under webcast.

To participate (professional investment community only) or to listen to the live conference call, please dial the following numbers. The company suggests that participants call in at least five minutes prior to the scheduled start time.

Local (Toronto) and international participants, dial:  647 846-8776

North American participants, dial toll-free:  1-833-752-3804

A replay of the conference call will be available on the company's website in the investors section under webcast. To listen to a recording of the conference call, please call toll-free 1 855-669-9658 or 412-317-0088 and enter the code 2745276. The recording will be available until Thursday, May 14, 2026.

Annual meeting of shareholders

Supremex will hold its annual meeting of shareholders on the same day, May 7, 2026, at 11 a.m., at the office of Stikeman Elliott LLP, located at 1155 Rene-Levesque Blvd. W (41st floor), Montreal, Que., H3B 3V2.

About Supremex Inc.

Supremex is a leading North American manufacturer and marketer of envelopes and a growing provider of paper-based packaging solutions. Supremex operates nine manufacturing facilities across four provinces in Canada and four manufacturing facilities in three states in the United States, employing approximately 900 people. Supremex's extensive network allows it to efficiently manufacture and distribute envelope and packaging solutions designed to the specifications of major national and multinational corporations, direct mailers, resellers, government entities, SMEs (small-to-medium-sized enterprises) and solutions providers.