HISTORICAL FINANCIAL REVIEWKey Financials by Quarter 1Q15 2Q15 3Q15 4Q15 FY 2015 1Q16 2Q16 3Q16 4Q16 FY 2016 1Q17 2Q17 3Q17 Revenues 118,304 190,265 267,345 214,967 790,881 206,376 261,302 295,272 208,847 971,797 198,146 285,069 291,964 F.A. EBITDA margin (%) 88.9% 83.9% 81.8% 71.2% 80.5% 75.0% 79.5% 89.5% 69.6% 79.5% 83.3% 79.9% 80.9% Further Adj. EBITDA incl. unconsolidated affiliates 105,186 159,600 218,650 153,074 636,510 154,879 207,645 264,262 145,326 772,112 165,049 227,841 236,252 Atlantica Yield’s pro-rata share of EBITDA from unconsolidated affiliates (5,477) (1,622) (2,121) (3,071) (12,291) (2,332) (2,193) (2,157) (2,120) (8,802) (1,100) (2,064) (2,052) Further Adjusted EBITDA 99,709 157,978 216,529 150,003 624,219 152,547 205,452 262,105 143,206 763,310 163,949 225,777 234,200 Dividends from unconsolidated affiliates - - 4,163 254 4,417 - 4,984 - - 4,984 - - 2,454 Non-monetary items (21,229) (23,741) (21,447) (24,993) (91,410) (18,356) (12,563) (11,508) (16,948) (59,375) (12,025) (10.758) (13,005) Interest and income tax paid (19,291) (113,023) (46,161) (131,759) (310,234) (27,613) (137,371) (27,183) (141,890) (334,057) (26,610) (143,081) (28,976) Principal amortization of indebtedness net of new indebtedness at project level (8,790) (41,873) (38,573) (86,153) (175,389) (14,254) (53,851) (18,792) (95,739) (182,636) (21,522) (54,528) (20,330) Deposits into/withdrawals from debt service accounts (211) (6,352) (10,090) (183) (16,837) (34,155) 12,291 (43,027) 18,186 (46,705) 7,557 (8,157) (26,581) Change in non-restricted cash at project companies 16,255 47,092 (62,285) 71,155 72,217 (41,089) 59,969 (90,385) 112,918 41,413 (27,293) 66,886 (143,982) Dividends paid to non-controlling interests - - (4,665) (3,642) (8,307) - (5,479) (3,473) - (8,952) - (1,801) (2,837) Changes in other assets and liabilities (27,944) 24,516 21,105 62,143 79,821 (13,237) (33,824) (13,957) 39,325 (21,694) (23,184) (39,756) 35,747 Asset refinancing - - - - - 14,893 - - - 14,893 - - - Cash Available For Distribution (CAFD) 38,500 44,595 58,576 36,825 178,496 18,736. . 39,607 53,780 . 59,058 171,181 60,872 34,582 36,690 Dividends declared1 34,074 40,087 43,093 - 117,254 - 29,063 16,335 25,054 70,452 25,054 26,056 29,063 # of shares at the end of the period 80,000,000 100,217,260 100,217,260 100,217,260 100,217,260 100,217,260 100,217,260 100,217,260 100,217,260 100,217,260 100,217,260 100,217,260 100,217,260 DPS (in $ per share) 0.340 0.400 0.430 - 1.170 - 0.290 0.163 0.250 0.703 0.250 0.260 0.290 Project debt 3,796.7 5,241.2 6,042.6 5,470.7 5,470.7 5,666.8 5,512.1 5,612.9 5,330.5 5,330.5 5,410.3 5,474.1 5,579.5 Project cash (182.5) (373.3) (618.9) (469.2) (469.2) (529.4) (469.7) (587.6) (472.6) (472.6) (487.4) (435.4) (597.0) Net project debt 3,614.1 4,867.9 5,423.7 5,001.5 5,001.5 5,137.4 5,042.4 5,025.3 4,857.9 4,857.9 4,922.9 5,038.7 4,982.5 Corporate debt 376.1 377.1 668.7 664.5 664.5 669.9 666.3 671.6 668.2 668.2 667.9 684.6 700.9 Corporate cash (84.9) (154.8) (43.6) (45.5) (45.5) (45.4) (84.9) (85.8) (122.2) (122.2) (102.0) (178.9) (197.1) Net corporate debt 291.2 222.3 625.1 619.0 619.0 624.5 581.4 585.8 546.0 546.0 565.9 505.7 503.8 Total net debt 3,905.3 3,090.2 6,048.8 5,620.5 5,620.5 5,761.9 5,623.8 5,611.2 5,403.8 5,403.8 5,488.8 5,544.4 5,486.3 Net Corporate Debt/CAFD pre corporate interests2 1.8x 1.3x 2.2x 2.9x 2.9x 2.9x 2.7x 2.7x 2.7x 2.7x 2.6x 2.3x 2.3x Dividends are paid to shareholders in the quarter after they are declaredRatios presented are the ratios shown on each quarter’s earnings presentationsIncludes the impact of a one-time partial refinancing of ATN2 Debt details Key Financials US $ in thousands US $ in millions (3) Dividend declared on August 3 2016 is the sum of $0.145 per share corresponding to the first quarter of 2016 and $0.145 per share corresponding to the second quarter of 2016Includes compensation from our preferred equity investment in Brazil ($21.2M in Q3 2016, $6.8M in Q4 2016 and $10.4M in Q1 2017) (4) (5) (5) (5)