Atlantic Power & Infrastructure Corp. (AWSL)

[warburg]

This is for NASDAQ if they choose to go that route:

http://dynamic.nasdaq.com/reference/Comp_Eligibility_Criteria.stm

Eligibility Criteria
To be eligible for inclusion in the Composite the security's U.S. listing must be exclusively on the Nasdaq Stock Market (unless the security was dually listed on another U.S. market prior to January 1, 2004 and has continously maintained such listing), and have a security type of either:

American Depositary Receipts (ADRs)
Common Stock
Limited Partnership Interests
Ordinary Shares
Real Estate Investment Trusts (REITs)
Shares of Beneficial Interest (SBIs)
Tracking Stocks

Security types not included in the Index are closed-end funds, convertible debentures, exchange traded funds, preferred stocks, rights, warrants, units and other derivative securities.

If at any time a component security no longer meets the above eligibility criteria, the security is removed from the Composite Index.