UNITED STATES

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.

Ladenburg Thalmann Financial Services Inc.*

(Exact name of registrant as specified in its charter)

4400 Biscayne Boulevard, 12th Floor

Miami, Florida 33137

(305) 572-4100

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Common Stock, par value $0.0001 per share

(Title of each class of securities covered by this Form)

8.00% Series A Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share

6.50% Senior Notes due 2027

7.00% Senior Notes due 2028

7.25% Senior Notes due 2028

7.75% Senior Notes due 2029

(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

Approximate number of holders of record as of the certification or notice date: None*

Explanatory Note:

*Pursuant to the Agreement and Plan of Merger (the “Merger Agreement”), dated as of November 11, 2019, by and among Ladenburg Thalmann Financial Services Inc. (the “Company”), Advisor Group Holdings, Inc., a Delaware corporation (“Advisor Group”) and Harvest Merger Sub, Inc., a Florida corporation and a wholly owned subsidiary of Advisor Group (“Merger Sub”), on February 14, 2020, Merger Sub merged with and into the Company (the “Merger”), with the Company continuing as the surviving corporation and a wholly owned subsidiary of Advisor Group in the Merger.

Pursuant to the requirements of the Securities Exchange Act of 1934, Ladenburg Thalmann Financial Services, Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

Date: February 24, 2020