Earnings

April 10, 2008 at 2:00AM

NORTHERN TECHNOLOGIES INTL. CORP.

(NTI) Makes materials-science-based industrial packaging products and systems and rust- and corrosion-inhibiting products. 2nd quarter FY2008, 2/28

2008 2007 % chg. Revenue $2,762.9 $3,884.9 -28.9 Income 659.7 448.2 +47.2 Earn/share 0.18 0.12 +50.0 6 months

Revenue $6,248.4 $8,502.3 -26.5 Income 1,317.9 1,438.4 -8.4 Earn/share 0.35 0.39 -10.3 Figures in thousands except for earnings per share.

APOGEE ENTERPRISES INC.

(APOG) Fabricates, distributes and installs glass products and systems. 4th quarter FY2008, 3/1

2008 2007 % chg. Revenue $243.3 $206.2 +18.0 Cont. ops. 14.1 9.2 +52.6 Disc. ops 0.3 0.4 -33.2 Income 14.4 9.7 +48.7 Earn/share 0.50 0.34 +47.1 12 months

Revenue $881.8 $778.8 +13.2 Cont. ops. 43.2 31.7 +36.4 Disc. ops 5.4 0.1 -- Income 48.6 31.7 +53.4 Earn/share 1.67 1.12 +49.1 Figures in millions except for earnings per share.

CHRISTOPHER & BANKS CORP.

(CBK) Retailer of women's clothing. 4th quarter FY2008, 3/1

2008 2007 % chg. Revenue $125.3 $134.0 -6.5 Income -8.3 1.9 -- Earn/share -0.23 0.05 -- 12 months

Revenue $575.8 $547.3 +5.2 Income 17.0 33.7 -49.5 Earn/share 0.47 0.89 -47.2 Figures in millions except for earnings per share.

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