Exhibit 10.15

Strong/MDI Screen Systems, Inc.
1440 Raoul-Charette
Joliette, Quebec, J6E 8S7
Attention : Mr. Mark Roberson
Amendment # 1 to the Existing Credit Agreement dated January 13, 2023 (including all previous amendments thereto, the “Agreement”) between Canadian Imperial Bank of Commerce (“CIBC”) and Strong/MDI Screen Systems, Inc. (the “Borrower”)
Amendments. The Agreement is amended as follows:
Demand Operating Credit
Credit Limit: $3,400,000 (decreased from $5,000,000)
An amendment fee of $2,500 shall be payable upon acceptance of the Amendment #1 to the Existing Credit Agreement.
All other terms and conditions remain unchanged.
Confirmation: As revised by this Amendment, the Agreement remains in full force.
Dated as of: May 8th, 2023
| For CIBC: | For the Borrower: | ||||||
| By: | /s/ Mark Stein | By: | /s/ Mark D. Roberson | By: | |||
| Name: | Mark Stein | Name: | Mark D. Roberson | Name: | |||
| Title: | Authorized Signatory | Title: | Chairman | Title: | |||
| By: | By: | By: | |||||
| Name: | Name: | Name: | |||||
| Title: | Title: | Title: | |||||