Thursday's Buybacks: Ameriprise Financial for $1 Billion

The following are stock buybacks announced over the past 30 days.

(Interested in learning more about buybacks and why they're important? Check out this article.)

COMPANY	SYMBOL	AMOUNT	NOTES
3/15/2007
Ameriprise Financial	AMP	$1 bln	adds to prior plan
SEI Investments Company	SEIC	$50 mln	adds to prior plan
3/14/2007
Frontier Airlines Holdings	FRNT	300,000 shares
Jeffersonville Bancorp, Inc.	JFBC	50,000 shares	adds to prior plan
3/13/2007
Baxter International	BAX	$2 bln	upon completion of prior plan
Building Materials Holding Corp.	BLG	$25 mln	over 1 year
Kentucky First Federal Bancorp	KFFB	150,000 shares	over 1 year
Laboratory Corporation of America Holdings	LH	$500 mln
Pitney Bowes, Inc.	PBI	$300 mln	adds to prior plan
Thomas & Betts Corp.	TNB	3 mln shares	adds to prior plan
3/12/2007
Energy Partners	EPL	$50 mln	over 1 year
Macerich Company	MAC	$75 mln
Meridian Resource Corporation	TMR	$5 mln	over 3 years
NetEase.com, Inc.	NTES	$100 mln	prior plan complete
Quidel Corporation	QDEL	$25 mln	adds to prior plan
S1 Corporation	SONE	15% of outstanding	dutch auction tender offer
3/09/2007
AMERCO	UHAL	$50 mln	adds to prior plan
Shanda Interactive	SNDA	$50 mln	over 12 months
3/08/2007
Accenture Ltd.	ACN	$1.5 bln
National Semiconductor Corp.	NSM	$500 mln	adds to prior plan
SkyWest Inc.	SKYW	5 mln shares
3/07/2007
The Cheesecake Factory	CAKE	10 mln shares	adds to prior plan
Donegal Group	DGICA	500,000 shares
PrivateBancorp	PVTB	277,000 shares	adds to prior plan
3/06/2007
American Eagle Outfitters, Inc.	AEOS	7 mln shares	adds to prior plan
Cathay General Bancorp	CATY	1 mln shares	prior plan complete
Leucadia National Corp.	LUK	12 mln shares	including prior plan
United States Cellular Corporation	USM	500,000 shares	over 3 years
United Stationers Inc.	USTR	$100 mln	adds to prior plan
3/05/2007
Celanese Corp.	CE	$400 mln	dutch auction tender offer
Financial Federal Corporation	FIF	$2.6 mln	adds to prior plan
Hawk Corporation	HWK	$4 mln	9 mln shares outstanding
Lexington Realty Trust	LXP	8 mln shares	adds to prior plan
Methanex Corp.	MEOH	2 mln shares	adds to prior plan
Waste Management Inc.	WMI	$600 mln	adds to prior plan
3/02/2007
Appalachian Bancshares	APAB	$2.5 mlln	over 1 year
Canadian Pacific Railway Ltd	CP	5.5 mln	shares in 2007
3/01/2007
American International Group, Inc.	AIG	$8 bln	expands current plan
Arch Capital Group	ACGL	$1 bln	over 2 years
Clifton Savings Bancorp	CSBK	615,000 shares	prior plan complete
Constellation Brands	STZ	$500 mln
OmniVision Technologies Inc.	OVTI	$100 mln
Thermo Fisher Scientific	TMO	$300 mln	prior plan complete
Varian Semiconductor Equipment Associates	VSEA	$100 mln	adds to prior plan
Verizon Communications	VZ	100 mln shares	prior plan terminated
2/28/2007
Computer Task Group	CTGX	1 mln shares	adds to prior plan
Endurance Specialty Holdings	ENH	2 mln shares	over 2 years
Liberty Media Corporation	LCAPA	$1 bln
Papa John's International, Inc.	PZZA	$50 mln	adds to prior plan
UTEK Corporation	UTK	$4 mln	over 12 months
Waters Corporation	WAT	$500 mln	prior plan complete
2/27/2007
CBS Corp.	CBS	$1.5 bln
CSF Bancorp	CITZ	600,000 shares	adds to prior plan
Citizens Communications	CZN	$250 mln	over 12 months
DirecTV Group	DTV	$1 bln	prior plan complete
Dreamworks Animation	DWA	$150 mln	over 18 months
Federated Department Stores	FD	$4 bln	adds to prior plan
Illumina	ILMN	$75 mln	over 6 months
2/26/2007
Affiliated Managers Group	AMG	3 mln shares
Cardinal Financial Corporation	CFNL	1 mln sharesn	4% of outstanding
Innospec Inc.	IOSP	$5 mln	through May 2007
MDS Inc.	MDZ	$431.3 mln	dutch auction tender offer
Xilinx	XLNX	$1.5 bln	adds to prior plan
XL Capital Ltd.	XL	$1 bln	includes prior plan
2/23/2007
Lam Research Corp.	LRCX	$750 mln	adds to prior plan
Lincoln National Corp.	LNC	$2 bln	adds to prior plan
MFB Corp.	MFBC	5% of outstanding	66,000 shares
PMI Group	PMI	$150 mln	adds to prior plan
2/22/2007
Covance Inc.	CVD	3 mln shares	adds to prior plan
CIBER	CBR	$10 mln
Eastern Insurance Holdings	EIHI	5% of outstanding
Hartford Financial Group	HBOS	300,000 shares	prior plan complete
Heritage Financial Group	HBOS	300,000 shares	prior plan complete
KLA-Tencor Corp.	KLAC	10 mln shares	adds to prior plan
Lamar Advertising	LAMR	$500 mln	adds to prior plan
M&T Bank Corp.	MTB	5 mln shares	4.6% of outstanding
RC2 Corp.	RCRC	$75 mln	over 1 year
Tractor Supply Co.	TSCO	$200 mln	over 3 years
2/21/2007
Anglo American PLC	AAUK	$3 bln
Annapolis Bancorp	ANNB	5% of outstanding	200,000 shares
Eastman Chemical Co.	EMN	$300 mln	replaces prior plan
LandAmerica Financial Group	LFG	1.5 mln shares	8.5% of outstanding
Medco Health Solutions	MHS	$3 bln	adds to prior plan
2/20/2007
American Tower Corporation	AMT	$1.5 bln	over 1 year
A.O. Smith Corp.	AOS	1 mln shares
Build-A-Bear Workshop Inc.	BBW	$25 mln	over 1 year
Carter's Inc.	CRI	$100 mln
Kraft Foods Inc.	KFT	$5 bln	over 2 years
Rx Processing Corp.	RXPC	15 mln shares
Sealy Corporation	ZZ	$100 mln
2/19/2007
Service Corporation International	SCI	$164 mln	adds to prior plan
2/16/2007
Honeywell	HON	$3 bln	adds to prior plan
Hubbell Inc.	HUBA	$200 mln	upon completion of prior plan
Rogers Corporation	ROG	$50 mln
2/15/2007
Asbury Automotive Group, Inc.	ABG	1.3 mln shares
Avaya Inc.	AV	$500 mln	over 2 years
Caterpillar Inc.	CAT	$7.5 bln	over 5 years
Estee Lauder Cos.	EL	20 mln shares	adds to prior plan
Idexx Laboratories	IDXX	2 mln shares	adds to prior plan
Preformed Line Products Company	PLPC	200,000 shares	3.7% of outstanding
Sterling Bancorp	STL	800,000 shares	adds to prior plan
T. Rowe Price Group	TROW	15 mln shares	adds to prior plan
Xerox Corp.	XRX	$500 mln	adds to prior plan
2/14/2007
Archer Daniels Midland Company	ADM	$400 mln
Burlington Northern Santa Fe Corp.	BNI	30 mln shares	adds to prior plan
CSX Corporation	CSX	$2 bln	through 2008
Diebold, Inc.	DBD	2 mln shares	adds to prior plan
NutriSystem Inc.	NTRI	$200 mln	expires 8/07
2/13/2007
Blonder Tongue Laboratories Inc.	BDR	100,000 shares	adds to prior plan
Centennial Bank Holdings	CBHI	924,490 shares	adds to prior plan
CBIZ Inc.	CBZ	5 mln shares	66.6 mln shares outstanding
Keithley Instruments Inc.	KEI	2 mln shares	replaces prior plan
Rockwell Collins	COL	$500 mln	replaces prior plan
2/12/2007
3M Co.	MMM	$7 bln	over 2 years
Administaff Inc.	ASF	1 mln shares	adds to prior plan
Advent Software	ADVS	2.25 mln shares	adds to prior plan
Anixter International Inc.	AXE	$100 mln	prior plan complete
Source: The Online Investor