Dividends on (ABC) (ARDNA) (MLM) (TSX:PPL) (TSX:ATP) Declared

AmerisourceBergen Corp. (NYSE:ABC), Arden Group, Inc. (NASDAQ:ARDNA), Pembina Pipeline Corp. (TSX:PPL), Atlantic Power Corp. (TSX:ATP) and Martin Marietta Materials Inc. (NYSE:MLM) declare dividends.

The Board of Directors of AmerisourceBergen Corp. (ABC) declared a quarterly common stock dividend of $0.115 per share payable 6/6/11 to shareholders of record at the close of business on 5/24/11.

The Board of Directors of Arden Group, Inc. (ARDNA) declared a quarterly common stock dividend of $0.25 per share payable 7/20/11 to shareholders of record at the close of business on 6/30/11.

The Board of Directors of Pembina Pipeline Corp. (TSX:PPL) declared a May dividend of C$0.13 per share payable 6/15/11 to shareholders of record at the close of business on 5/25/11.

The Board of Directors of Atlantic Power Corp. (TSX:ATP) declared a May stock dividend of C$0.0912 per share payable 6/30/11 to shareholders of record at the close of business on 5/31/11.

The Board of Directors of Martin Marietta Materials Inc. (MLM) declared a quarterly common stock dividend of $0.40 per share payable 6/30/11 to shareholders of record at the close of business on 6/1/11.