-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, LYnewG/Mkvy0lFXBZbOUAQsUaR5xtcSlXl9DECEN1JmwVBic9vOaXG4F3Ces/CKQ 9BjRpE6/u1uS7Is9UCQWaw== 0000912057-02-010155.txt : 20020415 0000912057-02-010155.hdr.sgml : 20020415 ACCESSION NUMBER: 0000912057-02-010155 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20020315 ITEM INFORMATION: Other events FILED AS OF DATE: 20020315 FILER: COMPANY DATA: COMPANY CONFORMED NAME: UTILICORP UNITED INC CENTRAL INDEX KEY: 0000066960 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911] IRS NUMBER: 440541877 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-03562 FILM NUMBER: 02576641 BUSINESS ADDRESS: STREET 1: 20 WEST NINTH STREET STREET 2: 911 MAIN STE 3000 CITY: KANSAS CITY STATE: MO ZIP: 64105-1711 BUSINESS PHONE: 8164216600 MAIL ADDRESS: STREET 1: PO BOX 13287 CITY: KANSAS CITY STATE: MO ZIP: 64199-3287 FORMER COMPANY: FORMER CONFORMED NAME: MISSOURI PUBLIC SERVICE CO DATE OF NAME CHANGE: 19850516 8-K 1 a2073044z8-k.htm FORM 8-K
QuickLinks -- Click here to rapidly navigate through this document

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) March 15, 2002

Aquila, Inc.
(Exact name of registrant as specified in its charter)

Delaware	1-3562	44-0541877
(State of incorporation)	(Commission File Number)	(IRS Employer Identification No.)


20 West 9th, Kansas City, Missouri		64105
(Address of principal executive offices)		(Zip Code)

Registrant's telephone number including area code: (816) 421-6600

(Former name or former address, if changed since last report): UtiliCorp United Inc.

Item 5. Other Events and Regulation FD Disclosure. On March 15, 2002, we changed our legal name from UtiliCorp United Inc. to Aquila, Inc. Beginning on March 18, 2002, our publicly traded securities will trade under the following symbols:

Title of each class	Name of each exchange on which registered	Ticker symbol
Common Stock, par value $1.00 per share	New York, Pacific and Toronto Stock Exchanges	ILA
Convertible Subordinated Debentures, 6⁵/8% due July 1, 2011	New York Stock Exchange	ILA #11
9³/4% Premium Equity Participating Security Units, due November 16, 2004	New York Stock Exchange	ILA PRW

Signatures

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

Aquila, Inc.
By:	/s/ RANDAL P. MILLER
	Randal P. Miller
	Vice President, Finance and Treasurer
	Date:	March 15, 2002

QuickLinks

FORM 8-K

Item 5. Other Events and Regulation FD Disclosure.

Signatures
-----END PRIVACY-ENHANCED MESSAGE-----