<PAGE>

                                                               Exhibit (a)(5)(K)


For Immediate Release

                   CAREERBUILDER RECEIVES ANTITRUST CLEARANCE
                        FOR ACQUISITION OF HEADHUNTER.NET

Reston, Va., and Atlanta, Ga., Tuesday, November 6, 2001 - CareerBuilder, Inc.,
through its parent Career Holdings, Inc., and HeadHunter.Net, Inc. (NASDAQ:
HHNT), announced today that the Federal Trade Commission has granted early
termination of the waiting period under the Hart-Scott-Rodino Antitrust
Improvements Act applicable to the tender offer for all outstanding shares of
common stock of Headhunter by CB Merger Sub, Inc., a wholly owned subsidiary of
Career Holdings. The tender offer is being made pursuant to a merger agreement
dated August 24, 2001, among Headhunter, Career Holdings and CB Merger Sub, Inc.
The tender offer is scheduled to expire at 5:00 p.m., New York City time, on
Tuesday, November 6, 2001, unless extended.

It is expected that shares of Headhunter common stock properly tendered and not
withdrawn prior to 5:00 p.m., New York City time, today will be accepted for
payment pursuant to the terms of the tender offer.

On August 31, 2001, CB Merger Sub commenced its previously announced tender
offer for all of the shares of common stock of Headhunter at $9.25 per share,
net to the seller, in cash. On September 18, 2001, Career Holdings and
Headhunter announced that the FTC had issued a request for additional
information and documents in connection with the proposed acquisition, which
extended the waiting period. Career Holdings is principally owned by Tribune
Company (NYSE: TRB) and Knight Ridder Digital, a subsidiary of Knight-Ridder,
Inc. (NYSE: KRI).

American Stock Transfer & Trust Company is the depositary for the tender offer
and Georgeson Shareholder Communications Inc. is the information agent.

                                       ###

This news release does not constitute an offer to purchase or a solicitation of
an offer to sell any securities. The complete terms and conditions of the tender
offer are set forth in an offer to purchase and related letter of transmittal,
which are included in a tender offer statement filed by Career Holdings, CB
Merger Sub, Knight Ridder Digital and Tribune Company with the Securities and
Exchange Commission. Headhunter has filed a solicitation/recommendation
statement with respect to the tender offer. The offer to purchase, letter of
transmittal and solicitation/recommendation statement were mailed to Headhunter
shareholders. The tender offer statement (including the offer to purchase,
letter of transmittal and related documents) and the solicitation/recommendation
statement are also available for free on the Commission's Web site at
http://www.sec.gov.
------------------

None of Career Holdings, Headhunter, Tribune or Knight Ridder is responsible for
updating the information contained in this press release beyond the published
date, nor for changes made to this document by wire services or Internet service
providers.

<PAGE>

About CareerBuilder, Inc.
CareerBuilder is the leading provider of targeted Web recruiting. Through the
CareerBuilder Network, employers can post jobs to pinpoint exactly the right
candidates by location, industry or diversity. Job seekers can instantly search
the Internet's best career sites, in just a couple of clicks. CareerBuilder also
provides personalized career services and advice. The CareerBuilder Network is
the most powerful career network on the Web, including careerbuilder.com - the
flagship career center - and the career centers of premier destination sites
including Bloomberg.com, iVillage.com and latimes.com, Philly.com,
chicagotribune.com and BayArea.com.

About HeadHunter.NET, Inc.
Headhunter, a leading national online recruiting and job awareness network,
empowers candidates and corporations to manage the job search process. The site
features more than two million resumes and jobs representing 10,000 of the
nation's top employers across virtually every industry. Headhunter distinguishes
itself by providing job seekers privacy when searching and applying for jobs,
and allows job seekers and job posters to manage and track the visibility and
performance of their listings. Headhunter is based in Atlanta, with offices
nationwide.

About Knight-Ridder, Inc.
Knight Ridder is the nation's second-largest newspaper publisher, with products
in print and online. The company publishes 32 daily newspapers in 28 U.S.
markets, with a readership of 8.5 million daily and 12.6 million Sunday. Knight
Ridder also has investments in a variety of Internet and technology companies
and two newsprint companies. The company's Internet operation, Knight Ridder
Digital, creates and maintains a variety of online services, including Real
Cities (www.RealCities.com), a national network of city and regional destination
sites in 55 U.S. markets. Knight Ridder and Knight Ridder Digital are located in
San Jose, Calif.

About Tribune Company
Tribune (NYSE: TRB) is one of the country's premier media companies, operating
businesses in broadcasting, publishing and on the Internet. It reaches more than
80 percent of U.S. households, and is the only media company with television
stations, newspapers and Web sites in the nation's top three markets. Tribune
media span 23 major-market television stations, including national superstation
WGN-TV; 11 market-leading daily newspapers, including the Los Angeles Times,
Chicago Tribune and Newsday; and news and information Web sites in 18 of the
nation's top 30 markets.


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<PAGE>


MEDIA CONTACTS:                               INVESTOR CONTACTS:
Christine Hennessey, Tribune Co.              Ruthellyn Musil, Tribune Co.
chennessey@tribune.com                        rmusil@tribune.com
                                              ------------------
312/222-4850 (Office)                         312/222-3787
312/222-1573 (Fax)                            312/222-1573

Cynthia Funnell, Knight Ridder Digital        Polk Laffoon, Knight-Ridder, Inc.
cfunnell@knightridder.com                     plaffoon@knightridder.com
--------------------------                    --------------------------
408/938-6076 (Office)                         408/938-7838 (Office)
408/938-6080 (Fax)                            408/938-7813 (Fax)

Barry Lawrence, CareerBuilder, Inc.           Gil Fuqua, HeadHunter.net,Inc.
Barry.Lawrence@careerbuilder.com              gfuqua@corpcomminc.com
--------------------------------
703/259-5793 (Office)                         615/254-3376 (Office)
703/259-5785 (Fax)

Craig Stamm, HeadHunter.net, Inc.
Craig.stamm@headhunter.net
--------------------------
770/349-2480 (Office)
770/349-2931 (Fax)

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