Exhibit 99.1 Attachment to Form 4 JOINT FILER INFORMATION Name and Address: Third Point LLC 390 Park Avenue New York, NY 10022 Date of Earliest Reported Transaction: 11/21/2013 Issuer and Ticker Symbol: Enphase Energy, Inc. [ENPH] Relationship of the Issuer: 10% Owner; Director; Other (See Remarks) Designated Filer: Daniel S. Loeb TABLE I INFORMATION Title of Security: Common Stock, $0.00001 par value Transaction Date: 11/21/2013 Transaction Code: J (1) Amount of Securities: 190,100 Securities Acquired (A) or Disposed of (D): A (1) Price of Security: $6.83 Amount of Securities Beneficially Owned Following Reported Transactions: 7,448,987 Ownership Form: I Nature of Indirect Beneficial Ownership: See Footnote (2) (3) on Form 4
Exhibit 99.2 Attachment to Form 4 JOINT FILER INFORMATION Name and Address: Third Point Offshore Master Fund L.P. c/o Third Point LLC 390 Park Avenue New York, NY 10022 Date of Earliest Reported Transaction: 11/21/2013 Issuer and Ticker Symbol: Enphase Energy, Inc. [ENPH] Relationship of the Issuer: 10% Owner; Director; Other (See Remarks) Designated Filer: Daniel S. Loeb Date of Earliest Reported Transaction: 11/21/2013 TABLE I INFORMATION Title of Security: Common Stock, $0.00001 par value Transaction Date: Transaction Code: Amount of Securities: Securities Acquired (A) or Disposed of (D): Price of Security: Amount of Securities Beneficially 4,192,165 Owned Following Reported Transactions: Ownership Form: D Nature of Indirect Beneficial Ownership:
Exhibit 99.3 Attachment to Form 4 JOINT FILER INFORMATION Name and Address: Third Point Partners L.P. c/o Third Point LLC 390 Park Avenue New York, NY 10022 Date of Earliest Reported Transaction: 11/21/2013 Issuer and Ticker Symbol: Enphase Energy, Inc. [ENPH] Relationship of the Issuer: 10% Owner; Director; Other (See Remarks) Designated Filer: Daniel S. Loeb TABLE I INFORMATION Title of Security: Common Stock, $0.00001 par value Transaction Date: Transaction Code: Amount of Securities: Securities Acquired (A) or Disposed of (D): Price of Security: Amount of Securities Beneficially Owned Following Reported Transactions: 514,508 Ownership Form: D Nature of Indirect Beneficial Ownership:
Exhibit 99.4 Attachment to Form 4 JOINT FILER INFORMATION Name and Address: Third Point Partners Qualified L.P. c/o Third Point LLC 390 Park Avenue New York, NY 10022 Date of Earliest Reported Transaction: 11/21/2013 Issuer and Ticker Symbol: Enphase Energy, Inc. [ENPH] Relationship of the Issuer: 10% Owner; Director; Other (See Remarks) Designated Filer: Daniel S. Loeb TABLE I INFORMATION Title of Security: Common Stock, $0.00001 par value Transaction Date: Transaction Code: Amount of Securities: Securities Acquired (A) or Disposed of (D): Price of Security: Amount of Securities Beneficially Owned Following Reported Transactions: 947,156 Ownership Form: D Nature of Indirect Beneficial Ownership:
Exhibit 99.5 Attachment to Form 4 JOINT FILER INFORMATION Name and Address: Third Point Ultra Master Fund L.P. c/o Third Point LLC 390 Park Avenue New York, NY 10022 Date of Earliest Reported Transaction: 11/21/2013 Issuer and Ticker Symbol: Enphase Energy, Inc. [ENPH] Relationship of the Issuer: 10% Owner; Director; Other (See Remarks) Designated Filer: Daniel S. Loeb TABLE I INFORMATION Title of Security: Common Stock, $0.00001 par value Transaction Date: 11/21/2013 Transaction Code: J (1) Amount of Securities: 190,100 Securities Acquired (A) or Disposed of (D): A (1) Price of Security: $6.83 Amount of Securities Beneficially Owned Following Reported Transactions: 875,258 Ownership Form: D Nature of Indirect Beneficial Ownership: