ARMOUR Residential REIT, Inc. Announces Stock News: 8.25% Series A Preferred Stock — Full Redemption; 7.875% Series B Preferred Stock — 100,307 Shares Issued; 9,000,000 Share ATM; 2,500,000 Share DRIP; Common Stock — Expected July 2019 $0.17 Per Share Dividend Rate; 375,000 Shares Repurchased