Is PEANUT BUTTER SLICE OF CAKE, PEANUT BUTTER vegan?

vanilla cake (sugar, enriched wheat flour bleached [flour, niacin, iron, thiamine mononitrate, riboflavin, folic acid], food starch-modified, soybean oil, contains 2% or less of: defatted soy flour, eggs, leavening [baking soda, sodium aluminum phosphate), mono-and diglycerides, natural and artificial flavor, propylene glycol mono-and diesters of fatty acids, salt, sodium stearoyl lactylate, vital wheat gluten, whey), chocolate cake (sugar, enriched wheat flour bleached [flour, niacin, iron, thiamine mononitrate, riboflavin,folic acid], cocoa processed with alkali, food starch-modified, soybean oil, contains 2% or less of: caramel color, eggs, leavening [baking soda, monocalcium phosphate, sodium aluminum phosphate], mono-and diglycerides, natural and artificial flavor, propylene glycol mono-and diesters of fatty acids, red 40, salt, sodium stearoyl lactylate, soy lecithin, whey.), confectioner's sugar (sugar, cornstarch), water soybean oil, eggs, peanut butter (dry roasted peanuts, dextrose, hydrogenated cottonseed and rapeseed oil and salt), vegetable shortening (soybean oil, hydrogenated soybean oil, hydrogenated cottonseed oil, mono-and diglycerides, polysorbate 60, tbhq and citric acid added to help preserve freshness.), natural and artificial flavors

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