Exhibit 25.1 

securities and exchange commission

Washington, D.C. 20549

FORM T-1

Statement of Eligibility Under

The Trust Indenture Act of 1939 of a

Corporation Designated to Act as Trustee

Check if an Application to Determine Eligibility of

a Trustee Pursuant to Section 305(b)(2)

UMB BANK, NATIONAL ASSOCIATION

(Exact name of Trustee as specified in its charter)

44-0201230

I.R.S. Employer Identification No.

1010 Grand Blvd. Kansas City, Missouri	64106
(Address of principal executive offices)	(Zip Code)

Damien Daley

UMB BANK, NATIONAL ASSOCIATION

5910 N. Central Expwy, Ste 1900

Dallas, Texas 75206

(214) 389-5941

(Name, address and telephone number of agent for service)

Southside Bancshares, Inc.

(Issuer with respect to the Securities)

Texas	75-1848732
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

1201 S. Beckham Avenue Tyler, Texas	75701
(Address of Principal Executive Offices)	(Zip Code)

3.875% Fixed-to-Floating Rate Subordinated Notes Due 2030

(Title of the Indenture Securities)

FORM T-1

Item 1. GENERAL INFORMATION. Furnish the following information as to the Trustee.

a) Name and address of each examining or supervising authority to which it is subject.

The Comptroller of the Currency

Mid-Western District

2345 Grand Avenue, Suite 700

Kansas City, Missouri 64108

Federal Reserve Bank of Kansas City

Federal Reserve P.O. Station

Kansas City, Missouri 64198

Supervising Examiner

Federal Deposit Insurance Corporation

720 Olive Street, Suite 2909

St. Louis, Missouri 63101

b) Whether it is authorized to exercise corporate trust powers.

Yes

Item 2.	AFFILIATIONS WITH OBLIGOR. If the obligor is an affiliate of the Trustee, describe each such affiliation.
		None
Items 3-15	Items 3-15 are not applicable because, to the best of the Trustee's knowledge, the obligor is not in default under any Indenture for which the Trustee acts as Trustee.
Item 16.	LIST OF EXHIBITS: List below all exhibits filed as a part of this statement of eligibility and qualification.

1. A copy of the Articles of Association of the Trustee (Exhibit 1 to Form T-1 filed with Registration Statement No. 333-74008).

2. Certificate of Authority from the Comptroller of the Currency evidencing a change of the corporate title of the Association (Exhibit 2 to Form T-1 filed with Registration Statement No. 333-74008).

3. Certificate from the Comptroller of the Currency evidencing authority to exercise corporate trust powers and a letter evidencing a change of the corporate title of the Association (Exhibit 3 to Form T-1 filed with Registration Statement No. 333-74008).

4. Bylaws, as amended of the Trustee (Exhibit 4 to Form T-1 filed with Registration Statement No. 333-74008).

5. A copy of each Indenture referred to in Item 4. Not applicable.

6. The consent of the Trustee required by Section 321(b) of the Act (Exhibit 6 to Registration Statement No. 333-74008).

7. Report of Condition of the Trustee as of September 30, 2020 published pursuant to law or the requirements of its supervising or examining authority, attached as Exhibit 7.

SIGNATURE

Pursuant to the requirements of the Trust Indenture Act of 1939, as amended, the Trustee, UMB BANK, NATIONAL ASSOCIATION, a national banking association organized and existing under the laws of the United States of America, has duly caused this statement of eligibility and qualification to be signed on its behalf by the undersigned, thereunto duly authorized, all in the city of Dallas, State of Texas on the 7th day of January, 2021.

By:	/s/ Damien Daley
	Damien Daley
	Vice President

Exhibit 7

(See Attached)