ALLIANCEBERNSTEIN HOLDING L.P. 10-Q

Item 5. Other Information None. 16 Index Item 6. Exhibits 10.1 Transaction Agreement among CarVal Investors, AB and AB Holding dated as of March 17, 2022 . 31.1 Certification of Mr. Bernstein furnished pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 31.2 Certification of Mr. Siemers furnished pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 32.1 Certification of Mr. Bernstein furnished for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 32.2 Certification of Mr. Siemers furnished for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 200 2. 99.1 Part I, Items 1 through 4 of the AllianceBernstein L.P. Quarterly Report on Form 10-Q for the quarter ended March 3 1 , 20 2 2 . 101.INS XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. 101.SCH XBRL Taxonomy Extension Schema. 101.CAL XBRL Taxonomy Extension Calculation Linkbase. 101.LAB XBRL Taxonomy Extension Label Linkbase. 101.PRE XBRL Taxonomy Extension Presentation Linkbase. 101.DEF XBRL Taxonomy Extension Definition Linkbase. 104 The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2022, formatted in Inline XBRL (included in Exhibit 101). 17 Index SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Date: April 29, 2022 ALLIANCEBERNSTEIN HOLDING L.P. By: /s/ William R. Siemers William R. Siemers Interim Chief Financial Officer; Controller & Chief Accounting Officer 18