Company: TBMC
Filing Date: 2025-08-08
Form Type: PRE 14A
Source: 0001213900-25-073765
Chunk: 76

Company: Trailblazer Merger Corp I
Filing Date: 2025-08-08
Form: PRE 14A
Chunk 76
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| By:                              |     |                         |
| Name:                            |     | Arie Rabinowitz         |
| Title:                           |     | Chief Executive Officer |

| Continental Stock Transfer & Trust Company, as Trustee |     |                |
| By:                                                    |     |                |
| Name:                                                  |     | Francis Wolf   |
| Title:                                                 |     | Vice President |

Annex B-3

The undersigned, revoking any previous proxies relating to these shares, hereby acknowledges receipt of the Notice and Proxy Statement, dated [], 2025, in connection with the annual meeting of stockholders (the “ Annual Meeting”) of Trailblazer Merger Corporation I (the “ Company”) to be held at 10:00 a.m. Eastern Time on September [ ], 2025, and hereby appoints Arie Rabinowitz and Joseph Hammer, and each of them (with full power to act alone), the attorneys and proxies of the undersigned, with power of substitution to each, to vote all stock of the Company registered in the name provided, which the undersigned is entitled to vote at the Annual Meeting, and at any adjournments thereof, with all the powers the undersigned would have if personally present. Without limiting the general authorization hereby given, said proxies are, and each of them is, instructed to vote or act as follows on the proposals set forth in the accompanying proxy statement/prospectus. The Company will be holding the Annual Meeting via teleconference using the following dial -ininformation: 1 (877) 853 -5257(toll -free) 1 (888) 475 -4499(toll -free) Meeting ID: [] Passcode: [] Outside of the U.S. and Canada: at numbers in the link below: https://loeb.zoom.us [] THIS PROXY, WHEN EXECUTED, WILL BE VOTED IN THE MANNER DIRECTED HEREIN. IF NO DIRECTION IS MADE, THIS PROXY WILL BE VOTED “FOR” PROPOSALS 1, 2, 3 AND 4. (Continued and to be marked, dated and signed on reverse side)

| Please mark vote as       
 indicated in this example |     | ☒ |     | THE BOARD OF DIRECTORS RECOMMENDS A VOTE “FOR” 
 PROPOSALS 1, 2, 3 AND 4.                       |

Proposal No. 1 — Extension Amendment Proposal— To amend the Company’s Amended