144: Issuer Information

Name of Issuer

Dynex Capital, Inc.

SEC File Number

001-09819

Address of Issuer

4991 Lake Brook Drive
Suite 100
Glen Allen
VIRGINIA
23060

Phone

8042175800

Name of Person for Whose Account the Securities are To Be Sold

Byron L. Boston

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Officer

Relationship to Issuer

Director

144: Securities Information

Title of the Class of Securities To Be Sold

Name and Address of the Broker

Number of Shares or Other Units To Be Sold

Aggregate Market Value

Number of Shares or Other Units Outstanding

Approximate Date of Sale

Name the Securities Exchange

Common Stock

SEI Investments Company
1 Freedom Valley Drive
Oaks PA 19456

17138

215767.42

74707776

08/30/2024

NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class

Date you Acquired

Nature of Acquisition Transaction

Name of Person from Whom Acquired

Is this a Gift?

Date Donor Acquired

Amount of Securities Acquired

Date of Payment

Nature of Payment *

Common Stock

08/01/2024

Purchase of issuer securities from employee contributions, company match contributions, and dividend reinvestment through the Dynex Capital, Inc. 401(k) Plan.

Open market

17138

08/01/2024

See remarks

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

The proposed sale to which this Form 144 relates is being made in connection with the Dynex Capital, Inc. 401(k) Plan no longer offering Dynex Capital, Inc. common stock as an investment option. All such shares held by the filer through the Dynex Capital, Inc. 401 (k) Plan as of 08/30/2024 are proposed to be sold by the plan trustee. Aggregate Market Value is as of 08/29/2024 and Number of Shares Outstanding is as of 07/24/2024. The shares proposed to be sold were acquired by the filer through the Dynex Capital, Inc. 401(k) Plan in multiple transactions between 8/7/2019 and 08/01/2024 pursuant to participant investment elections, company match contributions, and dividend reinvestments under such plan.

Date of Notice

08/29/2024

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature