QuickLinks -- Click here to rapidly navigate through this document Hispanic Broadcasting Corporation CUSIP No. 43357B104

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Hispanic Broadcasting Corporation
CUSIP No. 00000X000

Exhibit 99.4

AGREEMENT AMONG FILING PARTIES

THIS AGREEMENT is made and entered into on November 19, 2002, by and among XxXxxxx X. Xxxxxxxx, Xx.; XxXxxxx X. Xxxxxxxx, Xx., individually, and as trustee pursuant to a Voting Trust Agreement and as trustee of the Xxxxxxxxx Xxxxx Xxxxxxxx Trust; U.S. Bank N.A. (f/k/a Colorado National Bank); First National Bank of Fort Xxxxxxx, as trustee of the Xxxxx X. Xxxxxxxx Trust; Xxxxxx X. Xxxxxxxx; Xxxxxxx X. Xxxxxxxx; Xxxx X. Xxxxxxxx, individually and as trustee of The Xxxx Xxxxxxxx Family Trust dated February 24, 1998, as amended; and HEF Investors Limited Partnership (collectively referred to herein as the "Filing Parties").

WHEREAS, Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934 (the "Act"), requires that, when a Schedule 13D is filed on behalf of more than one person, an agreement be executed and filed as an exhibit to the Schedule 13D reflecting that the Schedule 13D is being filed on behalf of all such persons:

NOW, THEREFORE, in consideration of the premises and the mutual promises stated herein, the Filing Parties hereby agree as follows:

1. Each Filing Party agrees that Amendment No. 2 to the Schedule 13D dated February 24, 1997 (the "Amendment") shall be filed jointly on behalf of all the Filing Parties with respect to the shares of Class A Common Stock, par value $.001 per share, of Hispanic Broadcasting Corporation, a Delaware corporation.

2. Each Filing Party acknowledges and agrees that, pursuant to Rule 13d-1(k)(1) under the Act, each Filing Party individually is (i) eligible to use the Schedule 13D and (ii) responsible for the timely filing of the Amendment or any further amendment and for the completeness and accuracy of the information concerning such Filing Party contained in the Amendment or any further amendment. None of the Filing Parties, however, shall be responsible for the completeness or accuracy of information concerning any other Filing Party contained in the Amendment or any further amendment, unless such Filing Party knows or has reason to believe that such information is incomplete or inaccurate.

3. This agreement shall not be assignable by any Filing Party. Any assignment in violation of the foregoing shall be null and void.

4. This agreement shall terminate upon the written notice of termination given by any Filing Party to the other Filing Parties.

5. This agreement may be executed in several counterparts, each of which shall be deemed to be an original copy hereof.

IN WITNESS WHEREOF, the undersigned hereby executed this Agreement Among Filing Parties as of the date or dates indicated below.

Date: November 19, 2002

/s/ XXXXXXX X. XXXXXXXX, XX.

XxXxxxx X. Xxxxxxxx, Xx.

	/s/ XXXXXXX X. XXXXXXXX, XX. XxXxxxx X. Xxxxxxxx, Xx.
	The Xxxxx X. Xxxxxxxx Trust
	By: First National Bank of Fort Xxxxxxx, as trustee

		By:
			/s/ XXXX XXXXX Xxxx Xxxxx Senior Vice President

U.S. Bank N.A.

		By:
			/s/ X.X. XXXXXX, XX. X.X. Xxxxxx, Xx. Vice President

	/s/ XXXXXXX X. XXXXXXXX, XX. XxXxxxx X. Xxxxxxxx, Xx., as trustee pursuant to a Voting Trust Agreement
	/s/ XXXXXX X. XXXXXXXX Xxxxxx X. Xxxxxxxx
	/s/ XXXXXXX X. XXXXXXXX Xxxxxxx X. Xxxxxxxx
	/s/ XXXX X. XXXXXXXX Xxxx X. Xxxxxxxx

/s/ XXXX X. XXXXXXXX

Xxxx X. Xxxxxxxx, as trustee of The Xxxx Xxxxxxxx Family Trust Dated February 24, 1998, as Amended

		HEF Investors Limited Partnership
		General Partner: JSC Tich Investments LLC
		By:
			/s/ XXXX X. XXXXXXXX By its member, Xxxx X. Xxxxxxxx, as trustee of The Xxxx Xxxxxxxx Family Trust Dated February 24, 1998, as Amended