Tremisis Energy Acquisition CORP II Watch

from 8-K 38 pages Amended and Restated Securities Purchase Agreement

from 8-K ~5 pages Re: Insider Letters if the Foregoing Correctly Sets Forth Our Agreement, Please So Confirm by Signing Below in the Space Indicated. /S/ Jon Schotz /S/ Charles A. Norris Jon Schotz Charles A. Norris /S/ Stephen N. Casati Stephen N. Casati Tremisis Energy Acquisition Corporation II Merrill Lynch, Pierce, Fenner & Smith Incorporated, as Representative of the Underwriters By: /S/ Lawrence S. Coben By: /S/ Stan Lei Name: Lawrence S. Coben Name: Stan Lei Title: Chief Executive Officer Title: Managing Director /S/ Sang-Chul Kim Sang-Chul Kim

from 8-K ~5 pages Re: Insider Letters /S/ Lawrence S. Coben /S/ Ronald D. Ormand Lawrence S. Coben Ronald D. Ormand Tremisis Energy Acquisition Corporation II Merrill Lynch, Pierce, Fenner & Smith Incorporated, as Representative of the Underwriters By: /S/ Lawrence S. Coben By: /S/ Stan Lei Name: Lawrence S. Coben Name: Stan Lei Title: Chief Executive Officer Title: Managing Director /S/ Sang-Chul Kim Sang-Chul Kim

from 8-K 3 pages Material contract

from 8-K 3 pages Material contract

from 8-K 3 pages Material contract

from 8-K 3 pages Material contract

from 8-K 3 pages Material contract

from 8-K 3 pages Material contract

from 8-K 5 pages Pursuant to That Certain Registration Rights Agreement (The “Rra”), Dated as of December 6, 2007, by and Among Tremisis Energy Acquisition Corporation II, a Delaware Corporation (The “Company”), and the Respective Undersigned Parties (Each, Individually, a “Stockholder”, and Collectively, the “Stockholders”), the Company Has Granted the Stockholders Certain Registration Rights (The “Registration Rights”) With Respect to (A) the Shares (The “Warrant Shares”) of Common Stock of the Company Underlying Warrants (The “Warrants”) Purchased by the Stockholders Under the Terms of Certain Warrant Subscription Agreements (The “Agreements”), by and Between the Company and Each Respective Stockholder, and (B) the Shares of Common Stock (The “Insider Shares”, and Together With the Warrant Shares, the “Registrable Securities”) Purchased by the Stockholders From the Company Prior to the Company’s Initial Public Offering

from 8-K 4 pages Re: Proposed Transfer of Certain Shares of Common Stock of Tremisis Energy Acquisition Corporation II

from 8-K 10 pages Escrow Agreement

from 8-K 17 pages Agreement

from S-1/A 14 pages Investment Management Trust Agreement

from S-1/A 3 pages November 1, 2007 Re: Initial Public Offering Tremisis Energy Acquisition Corporation II Merrill Lynch, Pierce, Fenner & Smith Incorporated Earlybirdcapital, Inc. November 1, 2007 Page 2

from S-1/A 4 pages November 1, 2007 Re: Initial Public Offering

from S-1/A 17 pages Registration Rights Agreement

from S-1/A 8 pages Stock Escrow Agreement

from S-1/A 14 pages Investment Management Trust Agreement

from S-1/A 4 pages Re: Initial Public Offering