HISTORICAL FINANCIAL REVIEWKey Financials by Quarter Dividends are paid to shareholders in the
quarter after they are declaredRatios presented are the ratios shown on each earnings presentationsIncludes the impact of a one-time partial refinancing of ATN2. Key Financials US $ in thousands (4) Includes compensation from our preferred
equity investment in Brazil ($21.2M in Q3 2016, $6.8M in Q4 2016 and $10.4M in Q1 2017).(5) Excludes Solana debt repayments with proceeds received from Abengoa $52.5M in March 2018 and $42.5M in December 2017. (5) FY
2016 1Q17 2Q17 3Q17 4Q17 FY 2017 1Q18 2Q18 3Q18 4Q18 FY 2018 Revenues 971,797 198,146 285,069 291,964 233,202 1,008,381 225,265 287,848 323,812 206,897 1,043,822 F.A. EBITDA margin
(%) 79.5% 83.3% 79.9% 80.9% 67.5% 78.0% 79.8% 91.5% 82,3% 68.8% 81.5% Further Adj. EBITDA incl. unconsolidated affiliates 772,112 165,049 227,841 236,252 157,433 786,575 179,800
263,458 271,188 144,270 858,717 Atlantica Yield’s pro-rata share of EBITDA from unconsolidated affiliates (8,802) (1,100) (2,064) (2,052) (2,049) (7,265) (1,832) (2,071) (2,183) (2,024) (8,110) Further Adjusted
EBITDA 763,310 163,949 225,777 234,200 155,384 779,310 177,968 261,388 269,005 142,246 850,607 Dividends from unconsolidated affiliates 4,984 - - 2,454 549 3,003 - - 4,432 - 4,432 Non-monetary
items (59,375) (12,025) (10,758) (13,005) 14,906 (20,882) (8,839) (60,629) (14,755) (15,056) (99,279) Interest and income tax
paid (334,057) (26,610) (143,081) (28,976) (150,866) (349,533) (26,760) (133,844) (29,212) (143,721) (333,537) Principal amortization of indebtedness net of new indebtedness at project
level (182,636) (21,522) (54,528) (20,330) (113,362) (209,742) * (17,647) (71,028) (13,025) (127,947) (229,647) Deposits into/withdrawals from debt service
accounts (46,705) 7,557 (8,157) (26,581) (1,205) (28,386) (21,720) 9,122 (24,388) 6,149 (30,837) Change in non-restricted cash at project companies 41,413 (27,293)
66,886 (143,982) 83,397 (20,992) (68,031) 94,448 (92,027) 95,596 29,986 Dividends paid to non-controlling interests (8,952) - (1,801) (2,837) - (4,638) - (6,787) (2,958) - (9,745) Changes in other assets and
liabilities (21,694) (23,184) (39,756) 35,747 49,621 22,428 8,060 (45,963) (54,344) 81,815 (10,433) Asset refinancing 14,893 - - - - - - - - - - Cash Available For Distribution (CAFD) 171,181
60,872 34,582 36,690 38,424 170,568 43,031 46,706 42,728 39,082 171,547 Dividends declared1 70,452 25,054 26,056 29,063 31,067 111,241 32,070 34,074 36,078 37,080 139,302 # of
shares at the end of the period 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) 0.703
0.250 0.260 0.290 0.310 1.110 0.32 0.34 0.36 0.37 1.39 Project debt 5,330.5 5,410.3 5,474.1 5,579.5 5,475.2 5,475.2 5,533.8 5,218.8 5,214.7 5,091.1 5,091.1 Project cash (472.6)
(487.4) (435.4) (597.0) (520.9) (520.9) (604.5) (504.9) (609.6) (524.8) (524.8) Net project debt 4,857.9 4,922.9 5,038.7 4,982.5 4,954.3 4,954.3 4,929.3 4,713.9 4,605.1 4,566.3 4,566.3 Corporate
debt 668.2 667.9 684.6 700.9 643.1 643.1 657.3 639.0 641.8 684.1 684.1 Corporate cash (122.2) (102.0) (178.9) (197.1) (148.5) (148.5) (151.4) (152.3) (135.1) (106.7) (106.7) Net corporate
debt 546.0 565.9 505.7 503.8 494.6 494.6 505.9 486.8 506.7 577.4 577.4 Total net debt 5,403.8 5,488.8 5,544.4 5,486.3 5,448.9 5,448.9
5,435.2 5,200.6 5,111.8 5,143.6 5,143.6 Net Corporate Debt/CAFD pre corporate interests2 2.7x 2.6x 2.3x 2.3x 2.3x 2.3x 2.3x 2.2x 2.3x 2.7x 2.7x Debt details US $ in millions (3)(4) (4) (5)