X0306 4 2018-10-22 0 0001293613 Kayne Anderson MLP/Midstream Investment Co KYN 0000884413 KAYNE RICHARD A C/O KAYNE ANDERSON CAPITAL ADVISORS LP 1800 AVENUE OF THE STARS, THIRD FLOOR LOS ANGELES CA 90067 0 0 0 1 SEE NOTES (1) AND (2) 0000949615 KAYNE ANDERSON CAPITAL ADVISORS LP 1800 AVENUE OF THE STARS, THIRD FLOOR LOS ANGELES CA 90067 0 0 0 1 SEE NOTE (2) 0001376209 KA Fund Advisors LLC C/O KAYNE ANDERSON CAPITAL ADVISORS, L.P 1800 AVENUE OF THE STARS, THIRD FLOOR LOS ANGELES CA 90067 0 0 0 1 SEE NOTE (2) COMMON STOCK 2018-10-22 4 J 0 152445 A 353958 D COMMON STOCK 2018-10-22 4 J 0 303568 D 11321 I SEE NOTES SHARES DISTRIBUTED BY KAYNE ANDERSON CAPITAL ADVISORS, L.P. ("KACALP") TO ITS LIMITED PARTNERS (ON A PRO RATA BASIS.). AFTER GIVING EFFECT TO THAT DISTRIBUTION, KACALP OWNED NO SHARES OF KYN. A TOTAL OF 11,235 SHARES ARE OWNED BY KA ASSOCIATES, INC. ("KAA.") RICHARD KAYNE IS THE MAJORITY OWNER OF KAA. A TOTAL OF 86 SHARES ARE OWNED BY KA FUND ADVISORS, LLC ("KAFA.") MR. KAYNE IS THE INDIRECT MAJORITY OWNER OF KAFA. MR. KAYNE DISCLAIMS BENEFICIAL OWNERSHIP OF ALL SHARES HELD OR CONTROLLED BY KAA AND KAFA EXCEPT TO THE EXTENT OF HIS PECUNIARY INTEREST THEREIN. /S/ DAVID SHLADOVSKY BY POWER OF ATTORNEY FOR RICHARD A. KAYNE 2018-10-22 /S/ DAVID SHLADOVSKY BY POWER OF ATTORNEY FOR KAYNE ANDERSON CAPITAL ADVISORS, L.P. 2018-10-22 /S/ DAVID SHLADOVSKY BY POWER OF ATTORNEY FOR KA FUND ADVISORS, LLC 2018-10-22