Decompile MT4 Build 500 Indicator please

This is an old build. Pre 600 so it can be done.. but thanks for your post. when opened in notepad it's EX4, meaning it's old...
Please can anymore help me decompile exe4 file to mq4 or mql4, Many thanks.
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share it, I can decompile it for you
pm me if you no want share here
I will decompile it for free for you
help me decompile this to mq4 or mql4