U.S. companies are being slammed by foreign exchange rates, with companies from Coca-Cola and PepsiCo to Revlon and Genzyme all citing currency impacts in earnings this week. Here is a roundup of the currency comments companies made this week:

PepsiCo

PepsiCo

(PEP) - Get Report

, a soft drinks and snacks maker based in Purchase, N.Y., said that in the fourth quarter, it delivered a 3% increase in net revenue and reported EPS of 46 cents.

Excluding the impact of items affecting comparability, the company's fourth-quarter core EPS was up 11% to 88 cents, in line with previous guidance, reflecting strong net revenue management and cost discipline. PepsiCo said in a press release that foreign exchange adversely impacted net revenue growth in the quarter by 5.5 percentage points and core EPS by 5 cents.

Regarding 2009 guidance, PepsiCo said it anticipates that foreign exchange, at current spot rates, would adversely impact constant-currency core EPS by approximately 8 percentage points.

Coca-Cola Enterprises

Coca-Cola bottler

Coca-Cola Enterprises

(CCE)

affirmed its prior guidance for 2009. On a comparable and currency-neutral basis, the Atlanta-based company said consolidated financial results for 2009 will reflect low single-digit operating income growth and mid single-digit EPS growth.

Including the expected impact of currency translations, the company also expects free cash flow of approximately $600 million, and capital expenditures of approximately $900 million. Free cash flow will continue to be used primarily for debt reduction. At current rates, foreign currency translations would have a negative impact on expected 2009 comparable EPS of approximately 20 cents.

Genzyme

Genzyme

( GENZ), a Cambridge, Mass., biotech company, said fourth-quarter revenue rose 13% to $1.17 billion, reflecting an approximate $39 million negative impact of foreign exchange, from $1.04 billion in the same period in 2007.

Total revenue in 2009 is expected to reach $5.2 billion to $5.4 billion. The company's guidance reflects an approximate $150 million unfavorable impact of foreign exchange.

Coca-Cola

Coca-Cola

(KO) - Get Report

blamed unfavorable currency rates among the reasons for the

18% drop in fourth-quarter profit

, the soft drink maker reported today.

For the full year, though, Coke said exchange rates earlier in the year helped boost 2008 earnings.

Currency Impact

"Currency negatively impacted comparable operating income by 9% in the quarter, but benefited it 6% for the year. Based on the anticipated benefits of hedging coverage in place,

Currency Forecast

"The company currently expects currencies to have an estimated 10% to 12% negative impact on operating income in the first quarter of 2009."

Currency Adjustments

In its cash flow statements, Coke said foreign currency adjustments amounted to a loss of $42 million in operating activities for 2008 compared with a gain of $9 million in 2007. The company also reported a negative impact amounting to $615 million from exchange rate changes on cash and cash equivalents last year compared with a positive impact of $249 million the year before.

Revlon

Cosmetics maker

Revlon

(REV) - Get Report

said net sales in the fourth quarter were $334.2 million, a decrease of $39.1 million, or 10.5%, from the prior year. Foreign currency fluctuations negatively impacted net sales by $23.3 million.

Excluding foreign currency fluctuations, increased net sales of Revlon brand color cosmetics were offset by decreased net sales for Almay and decreased net sales for beauty care brands.

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In international operations, net sales were $134.6 million, a decrease of $22.9 million, or 14.5%, entirely due to unfavorable foreign currency fluctuations. Excluding the unfavorable impact of foreign currency fluctuations, net sales increased by 0.2% as a result of higher net sales for Revlon and Almay color cosmetics, mostly offset by declines in hair care and fragrance products.

For the full year, Revlon's net sales were $1.35 billion, a decrease of $20.3 million, or 1.5%, from 2007. Foreign currency fluctuations hurt sales by $8.3 million. Excluding foreign currency fluctuations, net sales of Revlon brand color cosmetics increased 9%.

This article was compiled by a staff member of TheStreet.com.