Termination of Registration of a Class of Security Under Section 12(g) (15-12g)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION

UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934.

Commission File Number

000-30106

Pacific Continental Corporation

(Exact name of registrant as specified in its charter)

111 West 7 ^th Avenue

Eugene, Oregon 97401

(541) 686-8685

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Common Stock, no par value per share

(Title of each class of securities covered by this Form)

None

(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:


Rule 12g-4(a)(1)		☒
Rule 12g-4(a)(2)		☐
Rule 12h-3(b)(1)(i)		☒
Rule 12h-3(b)(1)(ii)		☐
Rule 15d-6		☐

Approximate number of holders of record as of the certification or notice date: 0

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this certification/notice to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: November 13, 2017


Columbia Banking System, Inc. , as successor by merger to Pacific Continental Corporation (Registrant)

By:		/s/ Kumi Y. Baruffi
		Name: Kumi Y. Baruffi
		Title: Executive Vice President, General Counsel and Corporate Secretary