A person is guilty of unlawful manufacture of methamphetamine in the first degree when such person commits the crime of unlawful manufacture of methamphetamine in the second degree, as defined in subdivision one of section 220.74 of this article, after having previously been convicted within the preceding five years of unlawful manufacture of methamphetamine in the third degree, as defined in section 220.73, unlawful manufacture of methamphetamine in the second degree, as defined in section 220.74 of this article, or unlawful manufacture of methamphetamine in the first degree, as defined in this section.

Unlawful manufacturer of methamphetamine in the first degree is a class B felony.