LDL Lydall Inc

LYDALL 2003 STOCK INCENTIVE COMPENSATION PLAN

(Full title of the plan)

Scott D. Horrigan

Secretary

Lydall, Inc.

One Colonial Road

Manchester, Connecticut 06042

(Name and address of agent for service)

(860) 646-1233

(Telephone number, including area code, of agent for service)

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ¨

DEREGISTRATION OF SECURITIES

Lydall, Inc. (the “Registrant”) is filing this post-effective amendment relating to the Registration Statement on Form S-8 filed by the Registrant on July 10, 2009 (File No. 333-160511) (the “Registration Statement”) registering 1,000,000 shares of the Registrant’s common stock, par value $.10 per share, registered by the Registrant pursuant to the Registration Statement.

Effective as of October 1, 2021, as contemplated by the Agreement and Plan of Merger, dated as of June 21, 2021, by and among the Registrant, Unifrax Holding Co., a Delaware corporation (“Parent”), Outback Merger Sub, Inc., a Delaware corporation and a direct, wholly owned subsidiary of Parent (“Merger Sub”), and solely with respect to certain payment obligations of Parent thereunder, Unifrax I LLC, a Delaware limited liability company, Merger Sub merged with and into the Registrant, with the Registrant surviving as a wholly owned subsidiary of Parent (the “Merger”).

As part of the Merger, the Registrant has terminated any and all offerings of the Registrant's securities pursuant to existing registration statements, including the Registration Statement. In accordance with the undertakings made by the Registrant in the Registration Statement to remove from registration, by means of a post-effective amendment, any of the Registrant's securities that remain unsold at the termination of the offering, the Registrant hereby removes from registration, by means of this post-effective amendment to the Registration Statement, any and all securities registered under the Registration Statement that remain unsold as of the effectiveness of the Merger on October 1, 2021 and to terminate the effectiveness of the Registration Statement.