Exhibit 32 CERTIFICATION PURSUANT TO 18 U.S.C. 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of AEI Income & Growth Fund 26 LLC (the "Company") on Form 10-Q for the period ended March 31, 2010, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), the undersigned, Robert P. Johnson, President of AEI Fund Management XXI, Inc., the Managing Member of the Company, and Patrick W. Keene, Chief Financial Officer of AEI Fund Management XXI, Inc., each certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: 1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ ROBERT P JOHNSON Robert P. Johnson, President AEI Fund Management XXI, Inc. Managing Member May 12, 2010 /s/ PATRICK W KEENE Patrick W. Keene, Chief Financial Officer AEI Fund Management XXI, Inc. Managing Member May 12, 2010