Tellabs Investor Relations - Stockholder Information

Common Stock Market Data

Tellabs' common stock is listed on the Nasdaq Stock Market under the symbol TLAB and appears in most daily newspaper stock tables as Tellabs. At February 27, 2006, there were approximately 8,262 stockholders of record. Tellabs is a component of the Nasdaq-100 Index, NASDAQ Global Select Market and the Standard & Poor's 500 Index.

Tellabs, Inc. Acquisition of AFCI Deferred Tax Accounting and Future Effective Tax Rate Implications

This paper is intended to provide information on Tellabs' current deferred tax position and the impact of the acquisition of Advanced Fibre Communications, Inc. (AFCI) on our prospective effective tax rate.

Shareholders
	Holders	Value ($MM)	% O/S	Shares
Institution	440	2,201.59	88.6	337,912,911
Mutual Fund	670	1,034.57	37.6	143,308,631
Insider *	53	294.76	10.9	41,515,831

*Insider values reflect direct beneficial ownership.

Rotation
	Holders	Value Chg ($MM)	% O/S	Share Change
Buyers	195	501.45	20.6	78,362,509
Sellers	194	-464.77	19.0	-72,370,353
Net	--	36.68	1.6	5,992,156

Concentration
	Value ($MM)	% O/S	Shares
Top 10 Inst.	896.03	35.2	134,070,825
Top 20 Inst.	1,236.16	49.1	187,299,472
Top 50 Inst.	1,672.93	67.0	255,607,079
Total Inst.	2,201.59	88.6	337,912,911

Style
	Holders	Value ($MM)	% Inst Shares	Shares
Growth	111	568.81	29.4	89,017,279
Core Growth	75	377.44	19.5	59,084,392
Aggressive Growth	8	111.66	5.8	17,473,496
Growth	28	79.71	4.1	12,459,391
Value	97	502.04	25.8	78,340,551
Core Value	78	403.76	20.8	62,961,939
Deep Value	19	98.28	5.1	15,378,612
Other	146	419.01	21.6	65,593,512
Hedge Fund	47	190.77	9.9	29,878,232
GARP	75	169.11	8.7	26,457,908
Broker Dealer	19	57.86	3.0	9,054,619
Specialty	3	.92	0.1	144,035
Sector Specific	2	.34	0.0	58,718
Index	38	418.21	21.6	65,438,873
Income	11	22.79	1.2	3,565,774
Income Value	8	21.15	1.1	3,310,470
Yield	3	1.63	0.1	255,304
Momentum	2	.89	0.1	138,790

Top Holders
	Shares Held	% O/S	Share Change	Filing Date
Birck (Michael J)	18,308,125	4.8	-499,997	03/01/10
Vanguard Group, Inc.	18,165,175	4.8	551,091	06/30/10
Third Avenue Management LLC	16,908,466	4.4	-7,015,782	06/30/10
BlackRock Institutional Trust Company, N.A.	15,505,428	4.1	-6,617,426	06/30/10
Oak Street Investments, L.P.	15,011,000	3.9	-200,000	03/01/10
State Street Global Advisors (US)	11,746,252	3.1	237,900	06/30/10
Janus Capital Management LLC	11,602,103	3.0	-8,979,566	06/30/10
Advisory Research, Inc.	9,941,282	2.6	-343,919	06/30/10
Sprucegrove Investment Management, Ltd.	8,811,450	2.3	210,900	06/30/10
Highbridge Capital Management, LLC	8,071,544	2.1	5,737,387	06/30/10

Ownership data based on most recent publicly available data according to Thomson Financial.