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10-K/A - FORM 10-K/A - RCN CORP /DE/w78258e10vkza.htm
EX-31.3 - EX-31.3 - RCN CORP /DE/w78258exv31w3.htm
Exhibit 31.4
 
CERTIFICATIONS
 
I, Michael T. Sicoli, certify that:
 
1. I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K/A of RCN Corporation; and
 
2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
 
 
  By: 
/s/  Michael T. Sicoli
Michael T. Sicoli
Executive Vice President and Chief Financial
Officer
 
Date: April 30, 2010