PRINCIPAL FINANCIAL GROUP INC

Entry into a Material Definitive Agreement

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Regulation FD Disclosure

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Entry into a Material Definitive Agreement

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Free Writing Prospectus

Submission of Matters to a Vote of Security Holders

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Regulation FD Disclosure

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Automatic Shelf Registration

Annual report pursuant to Section 13 or 15(d)

Results of Operations and Financial Condition

Regulation FD Disclosure

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Regulation FD Disclosure

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Other Events

Regulation FD Disclosure

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Submission of Matters to a Vote of Security Holders

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Regulation FD Disclosure

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Annual report pursuant to Section 13 or 15(d)

Post Effective Amendment to S-8

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Definitive Proxy Statement

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Annual report pursuant to Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

General form for quarterly reports under Section 13 or 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Definitive Proxy Statement

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Definitive Proxy Statement

Notification of the removal from listing and registration of matured redeemed or retired securities

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Definitive Proxy Statement

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Beams Mary E.

HOCHSCHILD ROGER C

Mills Scott

Friedrich Amy Christine

Muruzabal Claudio

STRABLE-SOETHOUT DEANNA D

Kay Kathleen B

Bhatia Kamal

Pitz Joel

McCullum Kenneth A.

LITTLEFIELD CHRISTOPHER J

Cheong Wee Yee

Agrawal Vivek

Brown Timothy W.

RIVERA ALFREDO

Carter Miller Jocelyn

Mitchell H Elizabeth

Richer Clare Stack

Pickerell Blair

Nordin Diane C