JOINT FILING AGREEMENT
EXHIBIT 1
In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each
of the persons named below agrees to the joint filing of a Statement on Schedule 13D (including
amendments thereto) with respect to the Ordinary Shares, par value US $0.0001 per share, of
Solarfun Power Holdings Co., Ltd., and further agrees that this Joint Filing Agreement be included
as an exhibit to such filings, provided that, as contemplated by Section 13d-1(k)(ii), no person
shall be responsible for the completeness or accuracy of the information concerning the other
persons making the filing, unless such person knows or has reason to believe that such information
is inaccurate. This Joint Filing Agreement may be executed in any number of counterparts, all of
which together shall constitute one and the same instrument.
Dated: December 28, 2007
| GOOD ENERGIES II LP acting by its General Partner GOOD ENERGIES GENERAL PARTNER JERSEY LIMITED |
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| by: | /s/ Xxxxxx Xxxxxxx | /s/ Xxxx Xxxxxxx | ||||
| Name: | Xxxxxx Xxxxxxx | Xxxx Xxxxxxx | ||||
| Title: | Director | Director | ||||
| COFRA JERSEY LIMITED | ||||||
| by: | /s/ Xxxxxx Xxxxxxx | /s/ Xxxx Xxxxxxx | ||||
| Name: | Xxxxxx Xxxxxxx | Xxxx Xxxxxxx | ||||
| Title: | Director | Director | ||||
| GOOD ENERGIES INC | ||||||
| by: | /s/ Xxxxxxxx X. Xxxxx | |||||
| Name: | Xxxxxxxx X. Xxxxx | |||||
| Title: | Director, Vice President and Secretary | |||||
| GOOD ENERGIES (UK) LLP acting by its managing member GOOD ENERGIES INVESTMENTS LIMITED |
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| by: | /s/ Xxxxxx Xxx | /s/ Xxxxx Xxx | ||||
| Name: | Xxxxxx Xxx | Xxxxx Xxx | ||||
| Title: | Director | Director | ||||
| GOOD ENERGIES AG | ||||||
| by: | /s/ Xxxxxx Xxxxxxxxxxxxxx | |||||
| Name: | Xxxxxx Xxxxxxxxxxxxxx | |||||
| Title: | Director | |||||
| GOOD ENERGIES INVESTMENTS (JERSEY) LIMITED | ||||||
| by: | /s/ Xxxxxx Xxxxxxx | /s/ Xxxx Xxxxxxx | ||||
| Name: | Xxxxxx Xxxxxxx | Xxxx Xxxxxxx | ||||
| Title: | Director | Director | ||||
| COFRA HOLDING AG | ||||||
| by: | /s/ Xxxxxx Xxxxxxx | /s/ Xxx Xxxxxx | ||||
| Name: | Xxxxxx Xxxxxxx | Xxx Xxxxxx | ||||
| Title: | Director | Authorized Signatory | ||||
| FIDARC SARL | ||||||
| by: | /s / Xxxxxx xx Xxxxxx | /s/ Raf Bogaerts | ||||
| Name: | Xxxxxx xx Xxxxxx | Raf Bogaerts | ||||
| Title: | Manager | Manger | ||||
| GOOD ENERGIES HOLDINGS LIMITED | ||||||
| by: | /s/ A.B.S. Garden | |||||
| Name: | A.B.S. Garden | |||||
| Title: | Director | |||||
| THE BANBURY SETTLEMENT THROUGH FIRCROFT LIMITED AS TRUSTEE | ||||||
| by: | /s/ Xxxxxx Xxxxx | |||||
| Name: | Xxxxxx Xxxxx | |||||
| Title: | Director | |||||
