File: '\\swfile\EmailIn\20260727 033139 Attachment 20260727_PTEC_Early Warning Press Release_Roman Leydolf.docx'

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PRESS RELEASE

ROMAN LEYDOLF ACQUIRES SECURITIES OF PRINCIPAL TECHNOLOGIES INC.

July 27, 2026 - Vancouver, BC - Roman Leydolf (the "Acquiror") announces that, since his last press release dated July 31, 2025, he has been party to the following transactions in securities of Principal Technologies Inc. (the "Issuer"): (a) a disposition of 20,000 common shares ("Common Shares") of the Issuer in the public market on November 18, 2025; (b) the acquisition of 1,000,000 Common Shares from treasury pursuant to a non-brokered private placement completed by the Issuer on December 15, 2025; (c) the acquisition of 1,076,000 Common Shares from treasury in settlement of a bona fide debt owed by the Issuer to the Acquiror on July 9, 2026; and (d) the acquisition of 416,000 Common Shares from treasury pursuant to a non-brokered private placement completed by the Issuer on July 24, 2026 (collectively, the "Transactions").

Immediately following the Acquiror's last press release dated July 31, 2025, the Acquiror directly

held an aggregate of (a) 8,231,561 Common Shares, representing approximately 17.06% of the then issued and outstanding Common Shares, and (b) 3,031,561 common share purchase warrants of the Issuer (the "Warrants"), each exercisable into a Common Share at an exercise price of $0.30 until April 30, 2027. Immediately following the Transactions, the Acquiror directly holds an aggregate of (a) 10,703,561 Common Shares, representing approximately 17.76% of the issued and outstanding Common Shares, and (b) the Warrants, unchanged. Assuming the exercise of all Warrants, the Acquiror would have ownership of an aggregate of 13,735,122 Common Shares, representing approximately 21.70% of the then issued Common Shares on a partially diluted basis. Unless certain conditions, including the receipt of the requisite approvals of the TSX Venture Exchange and of the disinterested shareholders of the Company, are satisfied, the Acquiror may not directly or indirectly exercise Warrants which would result in the Acquiror, together with his affiliates or associates, and any person acting jointly or in concert with the Acquiror, owning, controlling or directing, directly or indirectly, Common Shares that represent more than 19.99% of the issued and outstanding Common Shares.

The 20,000 Common Shares disposed of on November 18, 2025 were sold in the public market, consisting of 1,500 Common Shares sold at a price of $0.68 per Common Share and 18,500 Common Shares sold at a price of $0.65 per Common Share, for aggregate proceeds of $13,045. The 1,000,000 Common Shares acquired on December 15, 2025 were acquired from treasury at a price of $0.30 per Common Share, for aggregate consideration of $300,000. The 1,076,000 Common Shares acquired on July 9, 2026 were issued from treasury in settlement of debt at a deemed value of $0.50 per Common Share, for aggregate deemed consideration of $538,000. The 416,000 Common Shares acquired on July 24, 2026 were acquired from treasury at a price of $0.75 per Common Share, for aggregate consideration of $312,000.

The holdings of securities of the Issuer by the Acquiror are managed for investment purposes, and the Acquiror may increase or decrease his investment in the Issuer at any time, or continue to maintain his current investment position, depending on market conditions or any other relevant factor.

This press release is issued pursuant to National Instrument 62-103 The Early Warning System and Related Take-Over Bid and Insider Reporting Issues in connection with the filing of an early warning report (the "Early Warning Report").

Additional Information

To obtain a copy of the Early Warning Report filed by the Acquiror, refer to the Issuer's SEDAR+ profile at www.sedarplus.ca or contact the Issuer via email to Office@principal-technologies.com or telephone 1-587-225-2599.