As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 2/11/13  Vanguard Group Inc.               SC 13G/A               1:45K  Zoll Medical Corp.                Vanguard Horizon Funds   
  2/7/13  Waddell & Reed Financial Inc.     SC 13G/A               4:103K Zoll Medical Corp.                Donnelley … Solutions/FA 
          Ivy Investment Management Co.³
          Waddell & Reed Financial Services, Inc.³
          Waddell & Reed Investment Management Co.³
          Waddell & Reed, Inc.³
  5/9/12  Capital Research Global Investors SC 13G/A               1:7K   Zoll Medical Corp.                                         
  5/7/12  Zoll Medical Corp.                15-12G       5/7/12    1:12K                                    Donnelley … Solutions/FA 
  5/3/12‡ Zoll Medical Corp.                EFFECT       5/3/12    1:2K                                     SEC #5                   
  5/3/12‡ Zoll Medical Corp.                EFFECT       5/3/12    1:2K                                     SEC #5                   
  5/3/12‡ Zoll Medical Corp.                EFFECT       5/3/12    1:2K                                     SEC #5                   
  5/1/12  Zoll Medical Corp.                S-8 POS      5/1/12    1:33K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                S-8 POS      5/1/12    1:33K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                S-8 POS      5/1/12    1:33K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                S-8 POS      5/1/12    1:33K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                S-8 POS      5/1/12    1:33K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                S-8 POS      5/1/12    1:33K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                S-8 POS      5/1/12    1:33K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                S-8 POS      5/1/12    1:33K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                S-8 POS      5/1/12    1:33K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                POS AM                 1:25K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                POS AM                 1:25K                                    Donnelley … Solutions/FA 
  5/1/12  Zoll Medical Corp.                POS AM                 1:25K                                    Donnelley … Solutions/FA 
 4/30/12  Bergeron John P                   4          Officer²    1:15K  Zoll Medical Corp.                R R Donnelley … Filer/FA 

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Types:  /A
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	15-12G	Certification of a Termination of Registration of a Class of Securities — Form 15.
	EFFECT	SEC Notice of Effectiveness.
	POS AM	Post-Effective Amendment of a Registration Statement.
	S-8 POS	Post-Effective Amendment of a Form S-8 Registration.
	SC 13G	Statement of Acquisition of Beneficial Ownership by a “Passive” Investor — Schedule 13G.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.
³	Group Member:  A Registrant or non-Registrant party to this Filing made by a Group.