Exhibit 99.6

FORM OF

NOMINEE HOLDER CERTIFICATION

AIM IMMUNOTECH INC.

The undersigned, a bank, broker, dealer, trustee, depositary, or other nominee of non-transferable subscription rights to purchase units of AIM ImmunoTech Inc. (the “Company”), said units each comprised of (A) one share of the Company’s Series G Convertible Preferred Stock, par value $0.01 per share (the “Preferred Stock”), with each share of Preferred Stock convertible into the number of shares of our common stock determined by dividing the $1,000 stated value per share of the Preferred Stock by a conversion price of $[     ] per share, and (B) 1,666 Series G Common Stock Purchase Warrants to purchase common stock expiring five years from the date of issuance at an exercise price of $[          ] per share, pursuant to the subscription rights offering described and provided for in the Company’s prospectus dated [       ], hereby certifies to the Company and Broadridge Corporate Issuer Solutions, LLC, as subscription agent for such rights offering, that (1) the undersigned has exercised, on behalf of the beneficial owners thereof (which may include the undersigned), the number of subscription rights on the terms and subject to the conditions set forth in the Prospectus specified below pursuant to the basic subscription right (as defined in the Prospectus) and, on behalf of beneficial owners of subscription rights who have subscribed for the purchase of additional units pursuant to the over-subscription privilege (as defined in the Prospectus), the number of units specified below, listing separately below each such exercised basic subscription right and the corresponding over-subscription privilege (without identifying any such beneficial owner), and (2) to the extent a beneficial owner has elected to subscribe for units pursuant to the over-subscription privilege, each such beneficial owner’s basic subscription right has been exercised in full:

Name of Nominee Holder

By:

Name:

Title:

Phone Number:

Fax Number:

Dated:

Provide the following information, if applicable:

DTC Participant Number

DTC Participant By:

Name:

Title:

DTC Basic Subscription

Confirmation Number(s)

Dated: