8-K

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): July 13, 2004

TELLABS, INC.
(Exact name of registrant as specified in its charter)

Delaware	0-9692	36-3831568
(State of Incorporation)	(Commission file	(I.R.S. Employer
	number)	Identification No.)

One Tellabs Center, 1415 West
Diehl Road, Naperville, Illinois	60563
(Address of Principal Executive Offices)	(Zip Code)

Registrant’s telephone number, including area code: (630) 798-8800

N/A
(Former name or former address, if changed since last report)

Item 5. Other Events

On July 13, 2004, Tellabs, Inc. issued the press release attached as Exhibit 99 announcing the resignation of Anders Gustafsson, senior executive vice president-global business operations, effective July 28, 2004.

Item 7. Financial Statements and Exhibits.

(c) Exhibits

Exhibit 99 – Press Release of Tellabs, Inc., Dated July 13, 2004.

SIGNATURE

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 thereunto duly authorized.

TELLABS, INC.

(Registrant)

/s/ James A. Dite             

James A. Dite

Vice President and Controller

(Principal Accounting Officer)

July 13, 2004
(Date)

EXHIBIT INDEX

Exhibit
Number	Description
99	Press Release of Tellabs, Inc., Dated July 13, 2004.

EX-99

EXHIBIT 99

NEWS RELEASE

Tellabs	FOR IMMEDIATE RELEASE
1415 West Diehl Road	July 13, 2004
Naperville, Illinois 60567 U.S.A.
Tel: +1.630.378.8800
Fax: +1.630.852.7346	INVESTOR CONTACT:
www.tellabs.com	Tom Scottino
	+1.630.798.8603
	tom.scottino@tellabs.com
	MEDIA CONTACT:
	Ariana Nikitas
	+1.630.798.2532
	ariana.nikitas@tellabs.com

Tellabs executive Anders Gustafsson resigns to become CEO of Spirent plc

Naperville, Ill. — Tellabs today announced that Anders Gustafsson, senior executive vice president-global business operations, is resigning effective July 28 to become chief executive officer at Spirent plc in the United Kingdom. Gustafsson, 44, has served in a variety of sales and operations leadership positions since joining Tellabs in 2000.

“We wish Anders well,” said Krish Prabhu, chief executive officer of Tellabs. “Tellabs has a deep and capable leadership team in global business operations, and we’re confident that this team will extend its strong performance.”

Following this resignation, the global operations organization will report directly to Prabhu. This organization includes Tom Gruenwald, senior vice president-broadband networking products; Dan Kelly, senior vice president-core products; Peter Viereck, vice president-international; John Brots, vice president-supply chain management, North America; Juha Pankakoski, vice president-supply chain management, international; and Antti Kankkunen, vice president-product strategy and technology.

[Editor’s note: Gustafsson’s biography and photo are available at http://www.tellabs.com/about/bios/.]

Tellabs (NASDAQ: TLAB) delivers technology that transforms the way the world communicates™. Tellabs experts design, develop, deploy and support our solutions for telecom service providers in more than 100 countries. More than two-thirds of telephone calls and Internet sessions in several countries, including the United States, flow through Tellabs equipment. Our product portfolio provides solutions in next-generation optical networking, managed access, carrier-class data, voice quality enhancement and cable telephony. For details, see www.tellabs.com.

Tellabs and ^® are registered trademarks of Tellabs or one of its affiliates in the United States and/or other countries.