Company: DMRC
Filing Date: 2025-04-25
Form Type: DEFA14A
Source: 0001193125-25-094240
Chunk: 4

Company: Digimarc CORP
Filing Date: 2025-04-25
Form: DEFA14A
Chunk 4
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 being made and we really look forward towards the company’s successful commercializations in various areas.

Best regards,

Fatima Dickey

Exhibit 99.2

April 22, 2025

Katie Kool

Board Chair

Digimarc Corporation

8500 SW Creekside Place

Beaverton, OR 97008 USA

Dear Katie,

As a shareholder of Digimarc Corp., I wanted to
take a moment to share a few thoughts. Having invested in small-cap companies for many years, I’m familiar with the challenges that can come with navigating partnerships and business with larger, more
established organizations. With that in mind, I respect the decision made by you, your board, and your CEO earlier this year to adjust the company’s direction.

Streamlining operations with the goal of improving cash flow and better positioning the business for what lies ahead is a meaningful step. I recognize that
the process will take time and continued effort, and I remain patient—as I have been over nearly 40 years in this business.

Thank you for your
steady hand during this period of transition.

Sincerely,

Scott Kimelman

Partner,
Chief Executive Officer,

Co-Chief Investment Officer

Kimelman & Baird LLC

P: 212.686.0021

M: 917.992.1532

KIMELMAN &
BAIRD, LLC

800 Third Ave Suite 2300 • New York, NY 10022 • Tel: 212.686.0021 • Fax: 212.779.9603

Exhibit 99.3

Dear Ms. Kool,

I am a founding Partner of
Silverberg Bernstein Capital Management. Shares of Digimarc are among the largest positions that we hold for our clients. Silverberg Bernstein was only formed in 2023. However, I personally have been a DMRC shareholder continuously since 2002. I own
more shares today than at any time since 2002. Many of our clients, because of my interest, have been DMRC shareholders for 15-20 years.

I am fully supportive of the changes Riley has made in the manner in which the company has been managed since he became the CEO and of Riley
as the CEO of the company.

With kind regards and wishing you good luck,

Irwin