EXHIBIT 4.5 AMENDMENT NO. 2 TO THE RIGHTS AGREEMENT This AMENDMENT NO. 2 TO THE RIGHTS AGREEMENT, effective as of March 2, 2006 ("Amendment No. 2"), between PINNACLE AIRLINES CORP., a Delaware Corporation (the "Company"), and COMPUTERSHARE TRUST...Rights Agreement • April 27th, 2006 • Pinnacle Airlines Corp • Air transportation, scheduled • Delaware
