In a deep skillet, heat the olive oil over medium-high heat. Lightly coat the shrimp in flour. In batches, saute shrimp in oil until golden brown; each batch should take approximately 2 minutes. Drain on paper towels.
Discard oil and add the wine, Worcestershire sauce, garlic, lemon juice, and chicken broth to the skillet. Cook over high heat until liquid has reduced by half (approximately 5 minutes). Stir in butter and season with salt and pepper to taste. Lower head to medium, add shrimp cook for 1 minute (until shrimp are heated). Sprinkle with parsley before serving.