| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/06/2018 | Voya Financial, Inc. | 10% Owner | Other (acquisition) | Series C Mandatory Redeemable Preferred Shares | 800k | $25.00 | $20M | By Subsidiary | 12/08/2017 |
| 08/06/2018 | PRUDENTIAL FINANCIAL INC | | Other (disposition) | | 1.1M | $1.00 | $1.1M | By The Prudential Insurance Company of America, a wholly-owned subsidiary of the Reporting Person | 08/06/2018 |
| 08/06/2018 | PRUDENTIAL FINANCIAL INC | | Other (disposition) | | 2.4M | $1.00 | $2.4M | By The Gibraltar Life Insurance Co., Ltd, a wholly-owned subsidiary of the Reporting Perso | 08/06/2018 |
| 08/06/2018 | MASSACHUSETTS MUTUAL LIFE INSURANCE CO | | Other (disposition) | Series K Senior Note | 14.2M | $1.00 | $14.2M | | 08/06/2018 |
| 08/06/2018 | MASSACHUSETTS MUTUAL LIFE INSURANCE CO | | Other (disposition) | Series L Senior Note | 13.5M | $1.00 | $13.5M | | 08/06/2018 |
| 08/06/2018 | MASSACHUSETTS MUTUAL LIFE INSURANCE CO | | Other (disposition) | Series K Senior Note | 1.1M | $1.00 | $1.1M | By C.M. Life Insurance company | 08/06/2018 |
| 08/06/2018 | MASSACHUSETTS MUTUAL LIFE INSURANCE CO | | Other (disposition) | Series L Senior Note | 1000k | $1.00 | $1000k | By C.M. Life Insurance company | 08/06/2018 |
| 08/06/2018 | MASSACHUSETTS MUTUAL LIFE INSURANCE CO | | Other (disposition) | Series L Senior Note | 2.5M | $1.00 | $2.5M | By MassMutual Asia Limited | 08/06/2018 |
| 08/06/2018 | Mutual of Omaha Insurance Co | 10% Owner | Other (disposition) | Series D Manadatory Redeemable Preferred Stock | 600k | $25.00 | $15M | Subsidiary | 08/06/2018 |
| 08/06/2018 | Mutual of Omaha Insurance Co | 10% Owner | Other (disposition) | Series D Manadatory Redeemable Preferred Stock | 200k | $25.00 | $5M | | 08/06/2018 |
| 12/08/2017 | Mutual of Omaha Insurance Co | 10% Owner | Other (disposition) | Series B Mandatory Redeemable Preferred Shares | 200k | $25.02 | $5M | subsidiary | 12/08/2017 |
| 12/08/2017 | Voya Financial, Inc. | 10% Owner | Other (disposition) | Series B Mandatory Redeemable Preferred Shares | 200k | $25.02 | $5M | By Subsidiary | 12/08/2017 |
| 11/29/2017 | UNITED OF OMAHA LIFE INSURANCE CO | 10% Owner | Purchase | Series D Mandatory Redeemable Preferred Stock | 480k | $12,000,000.00 | $5760000M | | 11/29/2017 |
| 11/29/2017 | UNITED OF OMAHA LIFE INSURANCE CO | 10% Owner | Purchase | Series D Mandatory Redeemable Preferred Stock | 480k | $12,000,000.00 | $5760000M | | 09/07/2016 |
| 11/29/2017 | UNITED OF OMAHA LIFE INSURANCE CO | 10% Owner | Purchase | Series D Manadatory Redeemable Preferred Stock | 120k | $3,000,000.00 | $360000M | Companion | 09/07/2016 |
| 11/29/2017 | Mutual of Omaha Insurance Co | 10% Owner | Purchase | Series D Manadatory Redeemable Preferred Stock | 120k | $3,000,000.00 | $360000M | subsidiary | 09/07/2016 |
| 11/29/2017 | Mutual of Omaha Insurance Co | 10% Owner | Purchase | Series D Manadatory Redeemable Preferred Stock | 200k | $5,000,000.00 | $1000000M | | 09/07/2016 |
| 11/29/2017 | Mutual of Omaha Insurance Co | 10% Owner | Purchase | Series D Manadatory Redeemable Preferred Stock | 480k | $12,000,000.00 | $5760000M | subsidiary | 09/07/2016 |
| 09/07/2016 | UNITED OF OMAHA LIFE INSURANCE CO | 10% Owner | Other (disposition) | Series A Mandatory Redeemable Preferred Stock | 88.9k | $2,222,225.00 | $197531.4M | | 09/07/2016 |
| 09/07/2016 | SUN LIFE FINANCIAL INC | 10% Owner | Other (disposition) | Series A Mandatory Redeemable Preferred Stock | 266.7k | $25.02 | $6.7M | By Sun Life Assurance Co of Canada | 09/07/2016 |
| 09/07/2016 | UNITED OF OMAHA LIFE INSURANCE CO | 10% Owner | Sale | Series A Mandatory Redeemable Preferred Stock | 88.9k | $2,222,225.00 | $197531.4M | | 09/07/2016 |
| 09/07/2016 | Mutual of Omaha Insurance Co | 10% Owner | Other (acquisition) | Series A Mandatory Redeemable Preferred Stock | 88.9k | $2,222,225.00 | $197531.4M | subsidiary | 09/07/2016 |
| 12/23/2015 | KA Fund Advisors LLC | | Other (acquisition) | Common Stock | 219.5k | $8.07 | $1.8M | | 12/23/2015 |
| 12/23/2015 | McCarthy Kevin S | Chairman, President & CEO | Other (acquisition) | Common Stock | 65.4k | $0.00 | $0 | | 12/23/2015 |
| 12/23/2015 | KAYNE ANDERSON CAPITAL ADVISORS LP | | Other (acquisition) | Common Stock | 93.1k | $0.00 | $0 | | 12/23/2015 |
| 12/23/2015 | KA Fund Advisors LLC | | Other (disposition) | Common Stock | 219.5k | $0.00 | $0 | | 12/23/2015 |
| 12/23/2015 | LOGAN RON M JR | Senior VP | Other (acquisition) | Common Stock | 401 | $0.00 | $0 | | 12/23/2015 |
| 12/23/2015 | Hart Terry A | CFO & Treasurer | Other (acquisition) | Common Stock | 729 | $0.00 | $0 | | 12/23/2015 |
| 12/23/2015 | KAYNE RICHARD A | | Other (acquisition) | Common Stock | 93.1k | $0.00 | $0 | See Footnote 2 | 12/23/2015 |
| 12/23/2015 | Baker James C | Executive Vice President | Other (acquisition) | Common Stock | 15.8k | $0.00 | $0 | | 12/23/2015 |
| 12/23/2015 | Meraz Jody | Vice President | Other (acquisition) | Common Stock | 4.7k | $0.00 | $0 | | 12/23/2015 |
| 12/23/2015 | Meraz Jody | Vice President | Other (acquisition) | Common Stock | 4.7k | $0.00 | $0 | | 12/23/2015 |
| 12/23/2015 | Frey John C | Exec VP,Asst Sec. 7 Treasurer | Other (acquisition) | Common Stock | 33.9k | $0.00 | $0 | | 12/23/2015 |
| 10/08/2015 | Isenberg Gerald I | Director | Sale | Common Stock | 1k | $15.71 | $16.4k | | 10/08/2015 |
| 10/02/2015 | Shea William H JR | Director | Purchase | Common Stock | 3.5k | $12.94 | $45.3k | | 10/02/2015 |
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