VIA EDGAR
April 26, 2013
Securities and Exchange Commission
450 Fifth Street, NW
Washington, DC 20549
RE:	Principal Life Insurance Company
	Separate Account B
	Principal Investment Plus Variable Annuity
	Registration Statement on Form N-4
	File No. 333-116220
I am Counsel for the above-referenced Registrant, and have reviewed the attached post-
effective amendment which is being filed pursuant to Rule 485(b) under the Securities
Act of 1933. I hereby represent that the amendment does not contain disclosures which
would render it ineligible to become effective pursuant to Rule 485(b).
Sincerely,
/s/ Doug Hodgson
Doug Hodgson
Counsel
711 High Street
Des Moines, Iowa 503092-0300
(515) 362-2384 (office)
(866) 496-6527 (facsimile)
hodgson.doug@principal.com